JP2016128189A - 自然時効する合金からなるワークの成形方法 - Google Patents
自然時効する合金からなるワークの成形方法 Download PDFInfo
- Publication number
- JP2016128189A JP2016128189A JP2015256724A JP2015256724A JP2016128189A JP 2016128189 A JP2016128189 A JP 2016128189A JP 2015256724 A JP2015256724 A JP 2015256724A JP 2015256724 A JP2015256724 A JP 2015256724A JP 2016128189 A JP2016128189 A JP 2016128189A
- Authority
- JP
- Japan
- Prior art keywords
- workpiece
- isf
- initial
- orientation
- final
- 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.)
- Granted
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D31/00—Other methods for working sheet metal, metal tubes, metal profiles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D31/00—Other methods for working sheet metal, metal tubes, metal profiles
- B21D31/005—Incremental shaping or bending, e.g. stepwise moving a shaping tool along the surface of the workpiece
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/12—Alloys based on aluminium with copper as the next major constituent
- C22C21/14—Alloys based on aluminium with copper as the next major constituent with silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/12—Alloys based on aluminium with copper as the next major constituent
- C22C21/16—Alloys based on aluminium with copper as the next major constituent with magnesium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/12—Alloys based on aluminium with copper as the next major constituent
- C22C21/18—Alloys based on aluminium with copper as the next major constituent with zinc
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/002—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working by rapid cooling or quenching; cooling agents used therefor
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
- C22F1/057—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with copper as the next major constituent
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Heat Treatment Of Articles (AREA)
- Numerical Control (AREA)
- Mounting, Exchange, And Manufacturing Of Dies (AREA)
Abstract
【解決手段】ワーク102をインクリメンタルシート成形装置(ISF装置)100に配置することと、ISF装置を用いてワークの初期成形処理を行うことと、ワークの最終熱処理を行うことと、ワークをISF装置に再配置することと、ワークがISF装置に最終ワーク配向で配置されていると共に、ISF装置のツール経路がISF装置における最終ツール経路配向に設定されている状態で、ワークを最終形状に成形すべく、ISF装置を用いてワークの最終成形処理を行うことを含む。加えて、中間熱処理と、ISF装置における中間成形処理とを行ってもよい。
【選択図】図6B
Description
Claims (10)
- 自然時効する合金からなるワーク(102)を最終形状に成形する方法であって、
座標系と、前記ワーク(102)の前記最終形状に対応したツール経路とを有するISF装置(100)を用意することと、
前記ワーク(102)の初期熱処理を行うことと、
前記ISF装置(100)の座標系における初期ワーク配向で前記ワーク(102)を前記ISF装置(100)に配置することと、
前記ワーク(102)が前記ISF装置(100)の前記座標系における前記初期ワーク配向で配置されていると共に、前記ISF装置(100)の前記ツール経路が前記ISF装置(100)の前記座標系における初期ツール経路配向に設定されている状態で、前記ISF装置(100)を用いて前記ワーク(102)の初期成形処理を行うことと、
前記ワーク(102)の最終熱処理を行うことと、
前記ISF装置(100)の座標系における最終ワーク配向で前記ワーク(102)を前記ISF装置(100)に再配置することと、
前記ワーク(102)が前記ISF装置(100)の前記座標系における前記最終ワーク配向で配置されていると共に、前記ISF装置(100)の前記ツール経路が前記ISF装置(100)の前記座標系における最終ツール経路配向に設定されている状態で、前記ワーク(102)を前記最終形状に成形すべく、前記ISF装置(100)を用いて前記ワーク(102)の最終成形処理を行うことを含む方法。 - 前記ワーク(102)の前記初期熱処理を行うことは、
前記ワーク(102)のミル焼きなましと冷却、あるいは、
前記ワーク(102)の溶体化焼きなましと焼入れのいずれかを行うことを含む、請求項1に記載の方法。 - 前記ワーク(102)の前記初期熱処理が前記ワーク(102)の溶体化焼きなましと焼入れを含む場合、前記ISF装置(100)を用いて前記ワーク(102)の前記初期成形処理を行うことは、当該初期成形処理を前記ワーク(102)の焼入れから初期所定時間内に行うことを含む、請求項1に記載の方法。
- 前記ワーク(102)の前記最終熱処理を行うことは、前記ワーク(102)の溶体化焼きなましと焼入れを行うことを含む、請求項1〜3のいずれかに記載の方法。
- 前記ワーク(102)の前記最終熱処理を行うことにより前記ワーク(102)に残留応力が生じ、前記方法は、さらに、前記ワーク(102)の前記最終成形処理を行う際に、前記ワーク(102)の少なくとも一部を所定量展伸させることを含む、請求項4に記載の方法。
- 前記ISF装置(100)の前記座標系における前記ワーク(102)の前記最終ワーク配向は、前記ISF装置(100)の前記座標系における前記ワーク(102)の前記初期ワーク配向と同一である、請求項1〜5のいずれかに記載の方法。
- 前記ISF装置(100)の前記座標系における前記ワーク(102)の前記最終ワーク配向は、前記ISF装置(100)の前記座標系における前記ワーク(102)の前記初期ワーク配向と異なる、請求項1〜5のいずれかに記載の方法。
- 前記ISF装置(100)を用いて前記ワーク(102)の前記初期成形処理を行った後に、前記ワーク(102)の中間熱処理を行うことと、
前記ISF装置(100)の前記座標系における中間ワーク配向で前記ワーク(102)を前記ISF装置(100)に再配置することと、
前記ワーク(102)が前記ISF装置(100)の前記座標系における前記中間ワーク配向に配置されていると共に、前記ISF装置(100)の前記ツール経路が前記ISF装置(100)の前記座標系における中間ツール経路配向に設定されている状態で、前記ワーク(102)の前記最終熱処理を行う前に、前記ワーク(102)を中間形状に成形すべく、前記ISF装置(100)を用いて前記ワーク(102)の中間成形処理を行うことをさらに含む、請求項1〜7のいずれかに記載の方法。 - 前記ワーク(102)の前記中間熱処理を行うことは、
前記ワーク(102)のミル焼きなましと冷却、あるいは、
前記ワーク(102)の溶体化焼きなましと焼入れのいずれかを行うことを含む、請求項8に記載の方法。 - 前記ワーク(102)の前記初期成形処理を前記ISF装置(102)で行った後であって、前記ワーク(102)の前記最終熱処理を行う前に、
中間熱処理を複数回行うことと、
前記ISF装置(100)で前記ワーク(102)の中間成形処理を複数回行うことをさらに含み、
前記中間熱処理と前記中間成形処理とは交互に行われる、請求項1〜7のいずれかに記載の方法。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US14/589,545 | 2015-01-05 | ||
| US14/589,545 US9719150B2 (en) | 2015-01-05 | 2015-01-05 | Methods of forming a workpiece made of a naturally aging alloy |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2016128189A true JP2016128189A (ja) | 2016-07-14 |
| JP6510398B2 JP6510398B2 (ja) | 2019-05-08 |
Family
ID=54703901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2015256724A Active JP6510398B2 (ja) | 2015-01-05 | 2015-12-28 | 自然時効する合金からなるワークの成形方法 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US9719150B2 (ja) |
| EP (1) | EP3040134B1 (ja) |
| JP (1) | JP6510398B2 (ja) |
| KR (1) | KR102357582B1 (ja) |
| CN (1) | CN105755406B (ja) |
| BR (1) | BR102015025742B1 (ja) |
| CA (1) | CA2903539C (ja) |
| ES (1) | ES2719977T3 (ja) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3526352B1 (en) | 2016-10-17 | 2021-09-01 | Novelis Inc. | Metal sheet with tailored properties |
| CN111235443A (zh) * | 2020-03-30 | 2020-06-05 | 天津忠旺铝业有限公司 | 一种低加工变形2系铝合金板材的制备方法 |
| CN116748437A (zh) * | 2023-06-25 | 2023-09-15 | 江苏永钢集团有限公司 | 一种连铸坯锻造铸轧辊套的生产方法 |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11501988A (ja) * | 1995-03-09 | 1999-02-16 | ゴールデン アルミニュウム カンパニー | 改良されたアルミニュウム合金シート製品の製造方法 |
| US20060151075A1 (en) * | 2004-12-13 | 2006-07-13 | Sjoerd Van Der Veen | Low internal stress Al-Zn-Cu-Mg plates |
| JP2006341310A (ja) * | 2005-05-30 | 2006-12-21 | Mt Aerospace Ag | 薄肉シェル状体を製造する方法及び装置 |
| JP2009279607A (ja) * | 2008-05-21 | 2009-12-03 | Sumitomo Light Metal Ind Ltd | 金属母材の成形方法 |
| EP2559499A1 (fr) * | 2011-08-18 | 2013-02-20 | Airbus Opérations SAS | Procédé et dispositif de formage incrémental |
| US20130219981A1 (en) * | 2010-03-29 | 2013-08-29 | Mt Aerospace Ag | Method for shaping an essentially flat-surfaced blank to form a shell body and use thereof |
| JP2014147958A (ja) * | 2013-02-01 | 2014-08-21 | Kobe Steel Ltd | 高強度7000系アルミニウム合金部材および高強度7000系アルミニウム合金部材の製造方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3959455B2 (ja) | 2002-02-19 | 2007-08-15 | 本田技研工業株式会社 | 逐次成形装置 |
| US7984635B2 (en) * | 2005-04-22 | 2011-07-26 | K.U. Leuven Research & Development | Asymmetric incremental sheet forming system |
| KR20110124557A (ko) | 2010-05-11 | 2011-11-17 | 한국과학기술원 | 외부 열원을 구비한 점진적 성형 공정을 이용한 난성형 금속 합금 판재의 성형 방법 |
| US8733143B2 (en) * | 2010-07-15 | 2014-05-27 | Ford Global Technologies, Llc | Method of incremental forming with successive wrap surfaces |
| DE102012017525B4 (de) * | 2011-09-10 | 2022-04-28 | Volkswagen Aktiengesellschaft | Verfahren zur umformenden Herstellung eines Zahnrads mit Außenverzahnung, sowie nach diesem Verfahren herstellbares Zahnrad mit Außenverzahnung |
| US9635714B2 (en) * | 2013-05-06 | 2017-04-25 | The Boeing Company | Incremental sheet forming for fabrication of cold sprayed smart susceptor |
-
2015
- 2015-01-05 US US14/589,545 patent/US9719150B2/en active Active
- 2015-09-04 CA CA2903539A patent/CA2903539C/en active Active
- 2015-09-18 KR KR1020150132195A patent/KR102357582B1/ko active Active
- 2015-10-08 BR BR102015025742-2A patent/BR102015025742B1/pt active IP Right Grant
- 2015-11-25 ES ES15196212T patent/ES2719977T3/es active Active
- 2015-11-25 EP EP15196212.3A patent/EP3040134B1/en active Active
- 2015-12-28 JP JP2015256724A patent/JP6510398B2/ja active Active
-
2016
- 2016-01-04 CN CN201610006504.3A patent/CN105755406B/zh active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11501988A (ja) * | 1995-03-09 | 1999-02-16 | ゴールデン アルミニュウム カンパニー | 改良されたアルミニュウム合金シート製品の製造方法 |
| US20060151075A1 (en) * | 2004-12-13 | 2006-07-13 | Sjoerd Van Der Veen | Low internal stress Al-Zn-Cu-Mg plates |
| JP2006341310A (ja) * | 2005-05-30 | 2006-12-21 | Mt Aerospace Ag | 薄肉シェル状体を製造する方法及び装置 |
| JP2009279607A (ja) * | 2008-05-21 | 2009-12-03 | Sumitomo Light Metal Ind Ltd | 金属母材の成形方法 |
| US20130219981A1 (en) * | 2010-03-29 | 2013-08-29 | Mt Aerospace Ag | Method for shaping an essentially flat-surfaced blank to form a shell body and use thereof |
| EP2559499A1 (fr) * | 2011-08-18 | 2013-02-20 | Airbus Opérations SAS | Procédé et dispositif de formage incrémental |
| JP2014147958A (ja) * | 2013-02-01 | 2014-08-21 | Kobe Steel Ltd | 高強度7000系アルミニウム合金部材および高強度7000系アルミニウム合金部材の製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6510398B2 (ja) | 2019-05-08 |
| CN105755406B (zh) | 2018-08-28 |
| CA2903539C (en) | 2019-12-31 |
| EP3040134A1 (en) | 2016-07-06 |
| CA2903539A1 (en) | 2016-07-05 |
| KR102357582B1 (ko) | 2022-01-28 |
| BR102015025742A2 (pt) | 2016-07-12 |
| BR102015025742B1 (pt) | 2021-12-14 |
| US9719150B2 (en) | 2017-08-01 |
| KR20160084286A (ko) | 2016-07-13 |
| ES2719977T3 (es) | 2019-07-17 |
| CN105755406A (zh) | 2016-07-13 |
| US20160194728A1 (en) | 2016-07-07 |
| EP3040134B1 (en) | 2019-01-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Gupta et al. | Manufacture of an aerospace component by single point incremental forming | |
| JP2002059216A (ja) | 平面体の歪矯正方法及び装置 | |
| JP2016128189A (ja) | 自然時効する合金からなるワークの成形方法 | |
| Prasad et al. | Exploring advancements in incremental sheet metal forming: a review | |
| US20200150626A1 (en) | Re-shaping procedure | |
| KR20200127085A (ko) | 선박 외판의 곡면 자동 가공 장치 및 방법 | |
| Pashkov et al. | On creating digital technologies for the production of large aircraft frame and skin parts | |
| US10393720B2 (en) | System and method for dynamically locating a fault observed on a component | |
| Maqbool et al. | A modular tooling set-up for incremental sheet forming (ISF) with subsequent stress-relief annealing under partial constraints | |
| CN110238269B (zh) | 从拼接板制备金属板材部件的系统 | |
| CN101048243B (zh) | 制造汽车部件的方法 | |
| Mohammadi et al. | Formability enhancement in incremental forming for an automotive aluminium alloy using laser assisted incremental forming | |
| Hua et al. | Laser shock forming of aluminum sheet: Finite element analysis and experimental study | |
| US10060001B2 (en) | Tooling system for processing workpieces | |
| JP4704933B2 (ja) | 金属部材の成形方法 | |
| JP2025103567A (ja) | 逐次成形方法 | |
| CN106957951A (zh) | 激光喷丸机翼整体壁板外形控制方法 | |
| Shelikhov et al. | Automatic correction control program method realization of the CNC machine tool under industrial conditions | |
| Abass | Supporting plate edge radius and internal hole diameter relation effect on the springback in incremental forming, part B | |
| Duhan et al. | A Review of Angular Distortion & its Prevention Techniques | |
| Wróbel | Numerical and Experimental Analysis of Hardening Distortions of Drawpieces Produced in Hot Stamping Process. Metals 2021, 11, 457 | |
| CN104070324A (zh) | 机械配件变形矫正的方法 | |
| ABASS | A STUDY ON USING PRE-FORMING BLANK IN SINGLE POINT INCREMENTAL FORMING BY FINITE ELEMENT ANALYSIS. | |
| Ahmad et al. | Application of Shape Optimization Method on Steel Wheel Rim | |
| Okayama et al. | Process Planning Method for Precision and Workability in Cold Forging |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20171222 |
|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20181107 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20181120 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20190213 |
|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20190402 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20190404 |
|
| R150 | Certificate of patent or registration of utility model |
Ref document number: 6510398 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |