[go: up one dir, main page]

AR108269A1 - Tecnología de soldadura circunferencial en campo para tuberías para lodos de acero con alto contenido de manganeso - Google Patents

Tecnología de soldadura circunferencial en campo para tuberías para lodos de acero con alto contenido de manganeso

Info

Publication number
AR108269A1
AR108269A1 ARP170101117A ARP170101117A AR108269A1 AR 108269 A1 AR108269 A1 AR 108269A1 AR P170101117 A ARP170101117 A AR P170101117A AR P170101117 A ARP170101117 A AR P170101117A AR 108269 A1 AR108269 A1 AR 108269A1
Authority
AR
Argentina
Prior art keywords
weight
amount
manganese content
muds
pipes
Prior art date
Application number
ARP170101117A
Other languages
English (en)
Original Assignee
Exxonmobil Res & Eng Co
Posco
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Exxonmobil Res & Eng Co, Posco filed Critical Exxonmobil Res & Eng Co
Publication of AR108269A1 publication Critical patent/AR108269A1/es

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
    • B23K35/24—Selection of soldering or welding materials proper
    • B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
    • B23K35/3053—Fe as the principal constituent
    • B23K35/3073—Fe as the principal constituent with Mn as next major constituent
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/02—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape
    • B23K35/0255—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape for use in welding
    • B23K35/0261—Rods, electrodes, wires
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
    • B23K35/38—Selection of media, e.g. special atmospheres for surrounding the working area
    • B23K35/383—Selection of media, e.g. special atmospheres for surrounding the working area mainly containing noble gases or nitrogen
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/02—Seam welding; Backing means; Inserts
    • B23K9/025—Seam welding; Backing means; Inserts for rectilinear seams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/09—Arrangements or circuits for arc welding with pulsed current or voltage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/16—Arc welding or cutting making use of shielding gas
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/16—Arc welding or cutting making use of shielding gas
    • B23K9/173—Arc welding or cutting making use of shielding gas and of a consumable electrode
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/23—Arc welding or cutting taking account of the properties of the materials to be welded
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of manganese
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/02—Iron or ferrous alloys
    • B23K2103/04—Steel or steel alloys
    • 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
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/001—Austenite

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Arc Welding In General (AREA)
  • Nonmetallic Welding Materials (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)

Abstract

La presente descripción se refiere a una composición de soldadura para unir metales base de acero con alto contenido de manganeso y métodos para aplicar el mismo. La composición incluye: carbono en un intervalo de aproximadamente 0.4% en peso a aproximadamente 0.8% en peso; manganeso en un intervalo de aproximadamente 18% en peso a aproximadamente 24% en peso; cromo en una cantidad de £ aproximadamente 6% en peso; molibdeno en una cantidad de £ aproximadamente 4% en peso; níquel en una cantidad de £ aproximadamente 5% en peso; silicio en una cantidad de aproximadamente 0.4% en peso a aproximadamente 1.0% en peso; azufre en una cantidad de £ aproximadamente 200 ppm; fósforo en una cantidad de £ aproximadamente 200 ppm; y un balance que comprende hierro. En una modalidad, la composición tiene una fase austenítica.
ARP170101117A 2016-05-02 2017-05-02 Tecnología de soldadura circunferencial en campo para tuberías para lodos de acero con alto contenido de manganeso AR108269A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US201662330415P 2016-05-02 2016-05-02

Publications (1)

Publication Number Publication Date
AR108269A1 true AR108269A1 (es) 2018-08-01

Family

ID=60203291

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP170101117A AR108269A1 (es) 2016-05-02 2017-05-02 Tecnología de soldadura circunferencial en campo para tuberías para lodos de acero con alto contenido de manganeso

Country Status (11)

Country Link
US (2) US10493569B2 (es)
EP (1) EP3452247B1 (es)
JP (2) JP2019520473A (es)
KR (1) KR102266804B1 (es)
CN (2) CN121132089A (es)
AR (1) AR108269A1 (es)
AU (1) AU2017259978A1 (es)
BR (1) BR112018071995A2 (es)
CA (1) CA3022962C (es)
RU (1) RU2018141292A (es)
WO (1) WO2017192619A1 (es)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10947610B2 (en) 2018-08-21 2021-03-16 Exxonmobil Upstream Research Company Mooring chains comprising high manganese steels and associated methods
SG11202101711UA (en) * 2018-08-23 2021-03-30 Jfe Steel Corp Solid wire for gas metal arc welding
CN110016621B (zh) * 2019-03-15 2020-11-13 中南大学 一种粉末冶金高锰奥氏体无磁钢及制备方法
WO2020203336A1 (ja) * 2019-03-29 2020-10-08 Ｊｆｅスチール株式会社 ガスメタルアーク溶接用ソリッドワイヤおよびガスメタルアーク溶接方法
KR102639099B1 (ko) * 2019-03-29 2024-02-20 제이에프이 스틸 가부시키가이샤 극저온용 고강도 용접 조인트의 제조 방법 및 극저온용 고강도 용접 조인트
CN113646456B (zh) * 2019-03-29 2023-01-17 杰富意钢铁株式会社 Tig焊接用填隙合金
KR102321317B1 (ko) * 2019-10-16 2021-11-02 주식회사 포스코 용접봉용 선재 및 이의 제조방법
KR102865998B1 (ko) * 2020-08-03 2025-09-26 제이에프이 스틸 가부시키가이샤 가스 메탈 아크 용접용 솔리드 와이어
JP7319729B2 (ja) * 2020-09-23 2023-08-02 株式会社ユニバーサルエンターテインメント 遊技機
CN116981540A (zh) * 2021-03-01 2023-10-31 杰富意钢铁株式会社 埋弧焊接头
JP7188647B1 (ja) * 2021-03-01 2022-12-13 Ｊｆｅスチール株式会社 Ｔｉｇ溶接継手
WO2022221803A1 (en) 2021-04-12 2022-10-20 Exxonmobil Upstream Research Company Method and system for evaluating radiograph testing inspection of pipe welding
CN117858781A (zh) * 2021-08-26 2024-04-09 杰富意钢铁株式会社 埋弧焊用金属芯焊丝和使用其的埋弧焊方法
KR20230094815A (ko) * 2021-12-21 2023-06-28 주식회사 포스코 내마모성이 우수한 용접강관의 제조방법
KR20230094814A (ko) * 2021-12-21 2023-06-28 주식회사 포스코 슬러리 이송용 용접강관 및 그 제조방법
KR20240097539A (ko) * 2022-12-20 2024-06-27 주식회사 포스코 오스테나이트계 강재 및 그 제조방법
KR20240097540A (ko) * 2022-12-20 2024-06-27 주식회사 포스코 오스테나이트계 강재 및 그 제조방법
EP4663331A1 (en) * 2023-03-13 2025-12-17 JFE Steel Corporation Gas metal arc welded joint and method for producing same
JP7494966B1 (ja) * 2023-03-13 2024-06-04 Ｊｆｅスチール株式会社 ガスメタルアーク溶接方法
JP7601170B1 (ja) 2023-09-28 2024-12-17 Ｊｆｅスチール株式会社 ガスメタルアーク溶接継手
CN116079278B (zh) * 2023-04-06 2023-12-08 中国科学院合肥物质科学研究院 一种高吸能高锰钢实心焊丝及其焊接工艺

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3716691A (en) * 1971-04-27 1973-02-13 Allegheny Ludlum Ind Inc Shielded arc welding with austenitic stainless steel
JPS5126132B2 (es) * 1972-09-25 1976-08-04
US4017711A (en) 1972-09-25 1977-04-12 Nippon Steel Corporation Welding material for low temperature steels
JPS54130451A (en) * 1978-03-31 1979-10-09 Sumitomo Metal Ind Ltd Reducing method for residual stress at welded joint of steel
US6207920B1 (en) * 1997-02-21 2001-03-27 Lincoln Global, Inc. Method and system for welding railroad rails
DZ2532A1 (fr) * 1997-06-20 2003-02-08 Exxon Production Research Co Procédé de soudage d'un métal de base pour produire un assemblage soudé et cet assemblage soudé.
GC0000233A (en) * 2000-08-07 2006-03-29 Exxonmobil Upstream Res Co Weld metals with superior low temperature toughness for joining high strength, low alloy steels
US7562807B2 (en) * 2004-05-05 2009-07-21 Electric Power Research Institute Weld filler for welding dissimilar alloy steels and method of using same
JP5463527B2 (ja) * 2008-12-18 2014-04-09 独立行政法人日本原子力研究開発機構 オーステナイト系ステンレス鋼からなる溶接材料およびそれを用いた応力腐食割れ予防保全方法ならびに粒界腐食予防保全方法
KR101271974B1 (ko) * 2010-11-19 2013-06-07 주식회사 포스코 극저온 인성이 우수한 고강도 강재 및 그 제조방법
US20120160363A1 (en) * 2010-12-28 2012-06-28 Exxonmobil Research And Engineering Company High manganese containing steels for oil, gas and petrochemical applications
CN102218622B (zh) * 2011-06-03 2013-09-11 甘肃省机械科学研究院 一种高锰钢堆焊实芯焊丝及其制造方法
JP5469648B2 (ja) * 2011-11-10 2014-04-16 株式会社神戸製鋼所 極低温用鋼用溶接材料
KR101372599B1 (ko) * 2012-07-09 2014-03-10 주식회사 포스코 내마모성이 우수한 고망간강용 용접이음부
US20150129559A1 (en) * 2012-07-27 2015-05-14 Douglas P. Fairchild High Strength Weld Metal for Demanding Structural Applications
CA2947571C (en) * 2012-11-22 2017-05-16 Posco A submerged and gas metal arc welding material
US20140261918A1 (en) * 2013-03-15 2014-09-18 Exxonmobil Research And Engineering Company Enhanced wear resistant steel and methods of making the same
KR20150066373A (ko) * 2013-12-06 2015-06-16 주식회사 포스코 내충격성 및 내마모성이 우수한 용접이음부
KR20150066372A (ko) * 2013-12-06 2015-06-16 주식회사 포스코 내충격성 및 내마모성이 우수한 서브머지드아크용접 및 가스금속아크용접용 용접재료
KR20150066369A (ko) * 2013-12-06 2015-06-16 주식회사 포스코 내충격성 및 내마모성이 우수한 플럭스코어드 아크 용접재료
ES2753266T3 (es) * 2013-12-06 2020-04-07 Posco Junta de soldadura de alta resistencia que tiene excelente dureza al impacto a temperatura muy baja, y un alambre de soldadura de arco con núcleo de fundente correspondiente
CN103785924A (zh) * 2014-01-21 2014-05-14 首钢总公司 一种高锰钢铸钢辙叉及钢轨堆焊修复方法
KR102025551B1 (ko) * 2014-04-04 2019-09-26 스페셜 메탈스 코포레이션 고강도 Ni-Cr-Mo-W-Nb-Ti 용접 생성물 및 이를 사용한 용접 및 용착 방법
KR101568642B1 (ko) * 2015-09-07 2015-11-12 주식회사 포스코 내충격성 및 내마모성이 우수한 서브머지드아크용접 및 가스금속아크용접용 용접재료
CN105234583A (zh) * 2015-10-26 2016-01-13 钢铁研究总院 一种适用于煤制气管道焊接的x80埋弧焊焊丝
JP2024130451A (ja) * 2023-03-14 2024-09-30 住友重機械工業株式会社 排水処理装置及び排水処理装置の運転方法

Also Published As

Publication number Publication date
JP2022081631A (ja) 2022-05-31
RU2018141292A (ru) 2020-06-03
US20180021895A1 (en) 2018-01-25
AU2017259978A1 (en) 2018-10-25
CN121132089A (zh) 2025-12-16
JP2019520473A (ja) 2019-07-18
EP3452247B1 (en) 2022-07-06
US10493569B2 (en) 2019-12-03
BR112018071995A2 (pt) 2019-02-12
CN109070284A (zh) 2018-12-21
CA3022962C (en) 2024-06-04
EP3452247A1 (en) 2019-03-13
KR20180132960A (ko) 2018-12-12
WO2017192619A1 (en) 2017-11-09
US12311474B2 (en) 2025-05-27
US20200086431A1 (en) 2020-03-19
CA3022962A1 (en) 2017-11-09
EP3452247A4 (en) 2019-12-04
RU2018141292A3 (es) 2020-08-11
KR102266804B1 (ko) 2021-06-22

Similar Documents

Publication Publication Date Title
AR108269A1 (es) Tecnología de soldadura circunferencial en campo para tuberías para lodos de acero con alto contenido de manganeso
AR108268A1 (es) Tecnología de soldadura de metales distintos en campo para acero con alto contenido de manganeso resistente al desgaste mejorado
MX2020010382A (es) Anticuerpos biespecificos para pd1 y tim3.
MX2018007563A (es) Acero para herramientas de trabajo en caliente.
UA117494C2 (uk) Високоміцна марганцева сталь для нафтової свердловини і труба для нафтових свердловин
MX2016016330A (es) Acero para forjado en frio.
PL402131A1 (pl) Sposób laserowego napawania warstwy metalicznej na element metalowy
MX380861B (es) Acero para herramientas de trabajo en frío resistente a la corrosión y desgaste.
BR112014019028A8 (pt) Material de reforço para soldagem e parte do equipamento soldada com sobreposição de metal
BR112016020449B8 (pt) liga à base de ferro, método para fabricar uma tira em uma liga, tira, método para fabricar um fio de soldagem, fio de soldagem e uso da liga
CL2015001782A1 (es) Acero bainitico para componente de perforación
EP2853339A3 (en) Welding material for welding of superalloys
BR112017000078A2 (pt) aço ferramenta para trabalho a frio
SG11201901749RA (en) Tomato ketchup with improved storage stability
MX2016011695A (es) Fundente para soldadura con laton.
EP3733890A4 (en) HIGH STRENGTH SEAMLESS LOW ALLOY STEEL TUBE FOR OIL WELLS
EP3733896A4 (en) HIGH STRENGTH, LOW ALLOY, SEAMLESS STEEL PIPE, INTENDED FOR OIL WELLS
MX391692B (es) Aleaciones para soldadura con laton de niquel-hierro-fosforo.
CO2017011603A2 (es) Aceros avanzados de alta resistencia de tercera generacion de alto manganeso
BR112018015735A2 (pt) aço perfilado soldado a laser e método para produção do mesmo
BR112018076330A2 (pt) aço para um prendedor de ferramenta
BR112017028547A2 (pt) um método de junção de uma liga de fecral com uma liga de fenicr utilizando um metal de preenchimento por soldagem
MX2018003869A (es) Aleacion de acero de alta resistencia, alta tenacidad al impacto y excelente vida de fatiga para aplicaciones de eje de motor de lodo.
MX2016012254A (es) Acero de herramientas para trabajo en frio.
UA108469U (uk) Склад наплавленого металу

Legal Events

Date Code Title Description
FB Suspension of granting procedure