WO2022030289A1 - 掘削情報処理装置、作業機械、掘削支援装置および掘削情報処理方法 - Google Patents
掘削情報処理装置、作業機械、掘削支援装置および掘削情報処理方法 Download PDFInfo
- Publication number
- WO2022030289A1 WO2022030289A1 PCT/JP2021/027627 JP2021027627W WO2022030289A1 WO 2022030289 A1 WO2022030289 A1 WO 2022030289A1 JP 2021027627 W JP2021027627 W JP 2021027627W WO 2022030289 A1 WO2022030289 A1 WO 2022030289A1
- Authority
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- WIPO (PCT)
- Prior art keywords
- bucket
- excavation
- excavated soil
- amount
- information
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/26—Indicating devices
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/26—Indicating devices
- E02F9/261—Surveying the work-site to be treated
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/30—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam, i.e. boom
- E02F3/32—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam, i.e. boom working downwardly and towards the machine, e.g. with backhoes
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/26—Indicating devices
- E02F9/264—Sensors and their calibration for indicating the position of the work tool
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/40—Special vehicles
- B60Y2200/41—Construction vehicles, e.g. graders, excavators
- B60Y2200/412—Excavators
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/36—Component parts
- E02F3/42—Drives for dippers, buckets, dipper-arms or bucket-arms
- E02F3/43—Control of dipper or bucket position; Control of sequence of drive operations
- E02F3/435—Control of dipper or bucket position; Control of sequence of drive operations for dipper-arms, backhoes or the like
- E02F3/437—Control of dipper or bucket position; Control of sequence of drive operations for dipper-arms, backhoes or the like providing automatic sequences of movements, e.g. linear excavation, keeping dipper angle constant
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/36—Component parts
- E02F3/42—Drives for dippers, buckets, dipper-arms or bucket-arms
- E02F3/43—Control of dipper or bucket position; Control of sequence of drive operations
- E02F3/435—Control of dipper or bucket position; Control of sequence of drive operations for dipper-arms, backhoes or the like
- E02F3/439—Automatic repositioning of the implement, e.g. automatic dumping, auto-return
Definitions
- the bucket, the ground, and the excavated object are recognized from the image taken by the stereo camera, and the excavation point is determined based on the recognition result.
- the excavation point is the position where the bucket is first brought into contact with the excavated material during the excavation operation, and this excavation device determines that the excavated amount (excavated soil amount) is large, the ground is not scraped, and the excavated material does not collapse. .. Then, in this excavation device, excavation is performed by scooping up a bucket from this excavation point.
- FIG. 3 is a block diagram showing a configuration example of a work machine position / attitude measuring unit 30, a work machine control device 110, and an excavation information processing device 120 shown in FIG. 1. It is a side view which shows the hydraulic excavator 1 shown in FIG. 1 in a simplified manner. It is a system flow diagram which shows the operation example of the work machine control apparatus 110 and the excavation information treatment apparatus 120 shown in FIG. It is a flowchart which shows the operation example of the excavated soil amount estimation part 122 shown in FIG. It is a schematic diagram which shows the example of the point cloud data 400 measured by the 3D position information measurement unit 19 shown in FIG.
- FIG. 1 is a perspective view showing a configuration example of a hydraulic excavator 1 as a work machine according to an embodiment of the present invention.
- FIG. 2 is a block diagram showing a configuration example of the work machine position / attitude measuring unit 30, the work machine control device 110, and the excavation information processing device 120 shown in FIG.
- FIG. 3 is a side view showing the hydraulic excavator 1 shown in FIG. 1 in a simplified manner.
- the power generator of the hydraulic excavator 1 may be, for example, a so-called hybrid type device in which an internal combustion engine, a generator motor, and a power storage device are combined. Further, the power generator of the hydraulic excavator 1 may be a device or the like that does not have an internal combustion engine and is a combination of a power storage device and a generator motor.
- the upper swivel body 3 has a driver's cab 4.
- the operator of the hydraulic excavator 1 gets on the driver's cab 4 and operates the hydraulic excavator 1. That is, the operator of the hydraulic excavator 1 operates the working machine 2 in the driver's cab 4, turns the upper swivel body 3, and runs the hydraulic excavator 1 by the traveling device 5.
- a display device 40 for displaying various information, a control device for the work machine 2 operated by the operator, a control device for the traveling device 5, and the like, which are not shown, are installed.
- the driver's cab 4 is installed on the side opposite to the side where the engine room 3EG of the upper swing body 3 is arranged.
- the positional relationship between the driver's cab 4 and the engine room 3EG is not limited to this example.
- a handrail 9 is attached above the upper swing body 3.
- the hydraulic excavator 1 may be provided with tires instead of the tracks 5a and 5b, and may be provided with a traveling device capable of transmitting the driving force of the engine to the tires via the transmission and traveling.
- a traveling device capable of transmitting the driving force of the engine to the tires via the transmission and traveling.
- the hydraulic excavator 1 having such a form for example, there is a wheel type hydraulic excavator.
- the side where the working machine 2 and the driver's cab 4 are arranged is the front, and the side where the engine room 3EG is arranged is the rear.
- the front-rear direction of the upper swing body 3 is the y direction.
- the left side facing forward is the left side of the upper turning body 3, and the right side facing forward is the right side of the upper turning body 3.
- the left-right direction of the upper swivel body 3 is also referred to as a width direction or an x direction.
- the traveling device 5 side is on the lower side with respect to the upper turning body 3, and the upper turning body 3 side is on the upper side with respect to the traveling device 5.
- the boom cylinder 10, arm cylinder 11, and bucket cylinder 12 shown in FIG. 1 are hydraulic cylinders driven by the pressure of hydraulic oil discharged from the hydraulic pump, respectively.
- the boom cylinder 10 drives the boom 6 to move up and down.
- the arm cylinder 11 drives the arm 7 to rotate around the arm pin 14.
- the bucket cylinder 12 drives the bucket 8 to rotate around the bucket pin 15.
- the second stroke sensor 32 detects the length of the arm cylinder, which is the length of the arm cylinder 11, and outputs it to the work machine position / attitude information generation unit 34.
- the third stroke sensor detects the bucket cylinder length, which is the length of the bucket cylinder 12, and outputs it to the work machine position / attitude information generation unit 34.
- the first stroke sensor 31, the second stroke sensor 32, and the third stroke sensor 33 may be an angle detector or the like.
- the work machine position / attitude information generation unit 34 has the posture and position of the work machine 2 based on the three-dimensional shape information (dimension information) of the work machine 2 and the inclination angles of the boom 6, the arm 7 and the bucket 8. Is generated and output as the work equipment position / attitude information, which is the information indicated in the local coordinate system.
- the work equipment position / attitude information includes information indicating the position and angle (posture) of the bucket 8.
- the hydraulic excavator 1 is provided with a three-dimensional position information measuring unit 19.
- the three-dimensional position information measurement unit 19 is installed above, for example, the driver's cab 4, and as shown in FIG. 3, an object existing in the measurement range SA including the bucket 8 and the excavation target 300 such as earth and sand and earth and stone.
- the three-dimensional position of (object) is measured at a plurality of points (multiple measurement points), the three-dimensional position of each measurement point is converted into point cloud data, and the point cloud data is output as object position information.
- the three-dimensional position information measurement unit 19 outputs point cloud data in which the three-dimensional position of each measurement point is indicated by, for example, the x, y, and z coordinates of the local coordinate system as object position information.
- a three-dimensional laser range finder or the like is also called LiDAR (Light Detection and Ringing; lidar) or the like, and pulse while sequentially scanning the measurement direction in a plurality of measurement directions (x, y, z directions) over a certain range.
- LiDAR Light Detection and Ringing; lidar
- a laser beam that emits light in a shape is irradiated, and for example, the distance and direction are measured based on the time until the reflected scattered light returns and the irradiation direction.
- the three-dimensional position information measuring unit 19 is configured by using LiDAR.
- the working machine control device 110 shown in FIG. 2 can be configured by using, for example, a microcomputer, a computer such as an FPGA (Field Programmable Gate Array), or a computer and its peripheral circuits or peripheral devices.
- the work equipment control device 110 has a position / attitude information acquisition unit 111 and excavation as a functional configuration composed of a combination of hardware such as a computer, peripheral circuits, and peripheral devices and software such as a program executed by the computer. It includes at least a control unit 112 and an embedding control unit 113.
- the excavation information processing device 120 may be used as a single unit like the work machine control device 110, or integrally with the work machine control device 110 or another control device of the hydraulic excavator 1, for example, a computer such as a microcomputer or an FPGA. Alternatively, it can be configured by using a computer and its peripheral circuit, peripheral device, or the like.
- the excavation information processing device 120 is a three-dimensional position information acquisition unit (acquisition) as a functional configuration composed of a combination of hardware such as a computer, peripheral circuits, and peripheral devices and software such as a program executed by the computer.
- the excavated soil volume estimation unit 122 is based on the bucket position / attitude information indicating the position and attitude of the bucket 8 input from the position / attitude information acquisition unit 111 and the object position information acquired by the three-dimensional position information acquisition unit 121. Sequentially, when the bucket 8 is held at that time, the excavated soil amount SVA acquired by the bucket 8 is estimated and output.
- the excavated soil amount estimation unit 122 may output the result of estimating the excavated soil amount SVA as, for example, the value of the volume of the excavated soil amount SVA or the value of the weight of the excavated soil amount SVA.
- the volume or weight of the excavated soil amount SVA may be expressed as a value indicating a ratio to a predetermined reference value and output.
- the excavated soil amount estimation unit 122 rotates the bucket 8 around the bucket pin 15 within the width 8 W of the bucket 8 from the object position information (point cloud data 400).
- the measurement point 402 located inside the circle 8A drawn by the bucket cutting edge 8T is extracted, and the excavated soil amount is estimated based on the position information of the extracted measurement point 402.
- FIG. 5 is a flowchart showing an example of the operation for one cycle when the excavated soil amount estimation unit 122 repeatedly estimates the excavated soil amount in a predetermined cycle during the excavation operation. That is, the excavated soil amount estimation unit 122 repeatedly executes the process shown in FIG. 5 at a predetermined cycle during the excavation operation.
- FIGS. 8, 10 and 11 are side views (viewed from the x direction) schematically showing an example of the point cloud data 400 actually acquired during excavation control.
- FIG. 9 is a schematic diagram showing an example of the point cloud data 400.
- the inside of the bucket width 8W is a range sandwiched between two straight lines 501 and 502 extending the width 8W of the bucket 8 along the y direction of the local coordinate system as shown in FIG. Further, the range inside the circle 8A of the bucket cutting edge 8T at the center of the bucket pin 15 and before the bucket surface 8S is within the range inside the circle 8A shown in FIG. 7 and not inside the bucket 8 from the bucket surface 8S. ..
- step S12 The determination is repeated in a cycle (step S12). Further, in the excavation information processing apparatus 120, when the operation shown in FIG. 4 is started, the excavated soil amount estimation unit 122 estimates the excavated soil amount (step S21), and the determination unit 123 determines. It is determined whether or not the excavated soil amount estimated by the excavated soil amount estimation unit 122 has reached the target excavated soil amount (step S22).
- the hydraulic excavator 1 may be an unmanned automatic control of the vehicle body 1B and the work machine 2, or may be a remote control, and may be an automatic control, a remote control, or a manual control by an operator. It may be controlled in combination.
- the case where the coordinate information in the local coordinate system is mainly used is given as an example, but the coordinate information converted into the global coordinate system may be used.
- the excavated soil amount can be easily adjusted to an arbitrary value.
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Operation Control Of Excavators (AREA)
- Component Parts Of Construction Machinery (AREA)
Abstract
Description
Claims (7)
- 掘削対象物を複数点の位置情報で示す対象物位置情報を取得する取得部と、
前記バケットの位置と姿勢を示すバケット位置姿勢情報と、前記対象物位置情報とに基づいて、逐次、その時点で前記バケットを抱え込んだ場合に前記バケットによって獲得される掘削土量を推定して出力する掘削土量推定部と、
を備える掘削情報処理装置。 - 前記掘削土量が目標掘削土量に到達したか否かの判定結果を出力する判定部を、
さらに備える請求項1に記載の掘削情報処理装置。 - 前記掘削土量推定部は、前記バケット内部に溜め込まれている土量であるバケット内土量を推定するとともに、前記バケットが将来掬い取ると予測される土量であるバケット外土量を推定し、前記バケット内土量と前記バケット外土量を合計して前記掘削土量を算出する
請求項1または2に記載の掘削情報処理装置。 - 前記掘削土量推定部は、前記対象物位置情報から、前記バケットの幅内で、バケットピンを中心として前記バケットを回転させた場合にバケット刃先が描く円の内側に位置する前記点を抽出し、抽出した前記点の位置情報に基づいて前記掘削土量を推定する
請求項1または2項に記載の掘削情報処理装置。 - 請求項1から4のいずれか1項に記載の掘削情報処理装置と、
前記バケットと、
を備える作業機械。 - 掘削対象物を複数点の位置情報で示す対象物位置情報を取得する取得部と、
前記バケットの位置と姿勢を示すバケット位置姿勢情報と、前記対象物位置情報とに基づいて、逐次、その時点で前記バケットを抱え込んだ場合に前記バケットによって獲得される掘削土量を推定する掘削土量推定部と、
前記掘削土量を表示する表示部と、
を備える掘削支援装置。 - 掘削対象物を複数点の位置情報で示す対象物位置情報を取得するステップと、
前記バケットの位置と姿勢を示すバケット位置姿勢情報と、前記対象物位置情報とに基づいて、逐次、その時点で前記バケットを抱え込んだ場合に前記バケットによって獲得される掘削土量を推定して出力するステップと、
を含む掘削情報処理方法。
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202180048357.5A CN115777036B (zh) | 2020-08-07 | 2021-07-27 | 挖掘信息处理装置、工作装置械、挖掘辅助装置及挖掘信息处理方法 |
| US18/004,196 US12312774B2 (en) | 2020-08-07 | 2021-07-27 | Excavation information processing device, work machine, excavation support device, and excavation information processing method |
| KR1020227045524A KR20230014088A (ko) | 2020-08-07 | 2021-07-27 | 굴삭 정보 처리 장치, 작업 기계, 굴삭 지원 장치 및 굴삭 정보 처리 방법 |
| DE112021002794.8T DE112021002794T5 (de) | 2020-08-07 | 2021-07-27 | Aushub-Informationsverarbeitungsvorrichtung, Arbeitsmaschine, Aushubunterstützungsvorrichtung und Aushub-Informationsverarbeitungsverfahren |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2020134559A JP7560973B2 (ja) | 2020-08-07 | 2020-08-07 | 掘削情報処理装置、作業機械、掘削支援装置および掘削情報処理方法 |
| JP2020-134559 | 2020-08-07 |
Publications (1)
| Publication Number | Publication Date |
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| WO2022030289A1 true WO2022030289A1 (ja) | 2022-02-10 |
Family
ID=80117337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| PCT/JP2021/027627 Ceased WO2022030289A1 (ja) | 2020-08-07 | 2021-07-27 | 掘削情報処理装置、作業機械、掘削支援装置および掘削情報処理方法 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US12312774B2 (ja) |
| JP (1) | JP7560973B2 (ja) |
| KR (1) | KR20230014088A (ja) |
| CN (1) | CN115777036B (ja) |
| DE (1) | DE112021002794T5 (ja) |
| WO (1) | WO2022030289A1 (ja) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2022070560A1 (ja) * | 2020-09-29 | 2022-04-07 | 日本電気株式会社 | 作業制御方法、作業制御システム及び目標点設定装置 |
| JPWO2024053315A1 (ja) * | 2022-09-08 | 2024-03-14 | ||
| JP2024085103A (ja) * | 2022-12-14 | 2024-06-26 | 株式会社小松製作所 | 作業機械を含むシステム、作業機械の制御方法、および作業機械のコントローラ |
| CN117306617B (zh) * | 2023-11-28 | 2024-03-12 | 四川鼎鸿智电装备科技有限公司 | 一种对工程机械工作装置进行定位的装置及其定位方法 |
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| US20140167971A1 (en) * | 2012-12-17 | 2014-06-19 | Caterpillar Inc. | Vehicle Payload Weight Display Method and System |
| WO2018199143A1 (ja) * | 2017-04-26 | 2018-11-01 | 住友建機株式会社 | ショベル、ショベル管理装置、及びショベル管理支援装置 |
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| WO2019189260A1 (ja) * | 2018-03-27 | 2019-10-03 | 住友重機械工業株式会社 | ショベル |
| JP2020020153A (ja) * | 2018-07-31 | 2020-02-06 | 株式会社小松製作所 | 作業機械 |
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| JP5054832B2 (ja) | 2011-02-22 | 2012-10-24 | 株式会社小松製作所 | 油圧ショベルの表示システム及びその制御方法 |
| WO2015162710A1 (ja) | 2014-04-23 | 2015-10-29 | 株式会社日立製作所 | 掘削装置 |
| US20170121930A1 (en) * | 2014-06-02 | 2017-05-04 | Komatsu Ltd. | Construction machine control system, construction machine, and method of controlling construction machine |
| US10060097B2 (en) * | 2016-01-04 | 2018-08-28 | Caterpillar Inc. | Excavation system having inter-machine monitoring and control |
| JP7261033B2 (ja) | 2019-02-13 | 2023-04-19 | 前澤工業株式会社 | 観察装置、観察方法、及びプログラム |
-
2020
- 2020-08-07 JP JP2020134559A patent/JP7560973B2/ja active Active
-
2021
- 2021-07-27 US US18/004,196 patent/US12312774B2/en active Active
- 2021-07-27 DE DE112021002794.8T patent/DE112021002794T5/de active Pending
- 2021-07-27 KR KR1020227045524A patent/KR20230014088A/ko active Pending
- 2021-07-27 WO PCT/JP2021/027627 patent/WO2022030289A1/ja not_active Ceased
- 2021-07-27 CN CN202180048357.5A patent/CN115777036B/zh active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140167971A1 (en) * | 2012-12-17 | 2014-06-19 | Caterpillar Inc. | Vehicle Payload Weight Display Method and System |
| WO2018199143A1 (ja) * | 2017-04-26 | 2018-11-01 | 住友建機株式会社 | ショベル、ショベル管理装置、及びショベル管理支援装置 |
| JP2019039207A (ja) * | 2017-08-24 | 2019-03-14 | 日立建機株式会社 | 建設機械の荷重計測システム |
| JP2019039280A (ja) * | 2017-08-29 | 2019-03-14 | 株式会社小松製作所 | 作業車両の制御システム、方法、及び作業車両 |
| WO2019189260A1 (ja) * | 2018-03-27 | 2019-10-03 | 住友重機械工業株式会社 | ショベル |
| JP2020020153A (ja) * | 2018-07-31 | 2020-02-06 | 株式会社小松製作所 | 作業機械 |
Also Published As
| Publication number | Publication date |
|---|---|
| US12312774B2 (en) | 2025-05-27 |
| JP2022030484A (ja) | 2022-02-18 |
| JP7560973B2 (ja) | 2024-10-03 |
| CN115777036B (zh) | 2025-09-02 |
| CN115777036A (zh) | 2023-03-10 |
| US20230243127A1 (en) | 2023-08-03 |
| DE112021002794T5 (de) | 2023-03-09 |
| KR20230014088A (ko) | 2023-01-27 |
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