EP2537947B1 - Procédé de fabrication d'une tôle en acier électrique à grains orientés - Google Patents

Procédé de fabrication d'une tôle en acier électrique à grains orientés Download PDF

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Publication number
EP2537947B1
EP2537947B1 EP11744742.5A EP11744742A EP2537947B1 EP 2537947 B1 EP2537947 B1 EP 2537947B1 EP 11744742 A EP11744742 A EP 11744742A EP 2537947 B1 EP2537947 B1 EP 2537947B1
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Prior art keywords
mass
steel sheet
content
grain
oriented electrical
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EP11744742.5A
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German (de)
English (en)
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EP2537947A1 (fr
EP2537947A4 (fr
Inventor
Kenichi Murakami
Yoshiyuki Ushigami
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Nippon Steel Corp
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Nippon Steel and Sumitomo Metal Corp
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Priority to PL11744742T priority Critical patent/PL2537947T3/pl
Publication of EP2537947A1 publication Critical patent/EP2537947A1/fr
Publication of EP2537947A4 publication Critical patent/EP2537947A4/fr
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    • 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
    • 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
    • C21D3/00—Diffusion processes for extraction of non-metals; Furnaces therefor
    • C21D3/02—Extraction of non-metals
    • C21D3/04—Decarburising
    • 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
    • C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • 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
    • C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1244—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the heat treatment(s) being of interest
    • C21D8/1255—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the heat treatment(s) being of interest with diffusion of elements, e.g. decarburising, nitriding
    • 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
    • C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1244—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the heat treatment(s) being of interest
    • C21D8/1272—Final recrystallisation annealing
    • 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
    • C22C38/001—Ferrous alloys, e.g. steel alloys containing N
    • 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
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing 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
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • 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
    • C22C38/14—Ferrous alloys, e.g. steel alloys containing 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
    • C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
    • 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
    • C22C38/34—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of silicon
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/02—Pretreatment of the material to be coated
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/80—After-treatment
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
    • H01F1/16—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of sheets

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Electromagnetism (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Power Engineering (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
  • Soft Magnetic Materials (AREA)
  • Heat Treatment Of Sheet Steel (AREA)

Claims (6)

  1. Procédé de fabrication d'une tôle en acier électrique à grains orientés, comprenant :
    la réalisation d'un laminage à chaud d'un acier contenant Si : 2,5 % en masse à 4,0 % en masse, C : 0,01 % en masse à 0,060 % en masse, Mn : 0,05 % en masse à 0,20 % en masse, Al soluble dans un acide : 0,020 % en masse à 0,040 % en masse, N : 0,002 % en masse à 0,012 % en masse, S : 0,001 % en masse à 0,010 % en masse, P : 0,01 % en masse à 0,08 % en masse, Ti : 0,0020 % en masse à 0,010 % en masse et Cu : 0,010 % en masse à 0,50 % en masse, éventuellement au moins un type choisi dans un groupe consistant en Cr : 0,010 % en masse à 0,20 % en masse, Sn : 0,010 % en masse à 0,20 % en masse, Sb : 0,010 % en masse à 0,20 % en masse, Ni : 0,010 % en masse à 0,20 % en masse, Se : 0,005 % en masse à 0,02 % en masse, Bi : 0,005 % en masse à 0,02 % en masse, Pb : 0,005 % en masse à 0,02 % en masse, B : 0,005 % en masse à 0,02 % en masse, V : 0,005 % en masse à 0,02 % en masse, Mo : 0,005 % en masse à 0,02 % en masse, et As : 0,005 % en masse à 0,02 % en masse, et un reste constitué de Fe et d'impuretés inévitables, pour obtenir une tôle d'acier laminée à chaud ;
    la réalisation d'un recuit sur la tôle d'acier laminée à chaud pour obtenir une tôle d'acier recuite ;
    la réalisation d'un laminage à froid sur la tôle d'acier recuite pour obtenir une tôle d'acier laminée à froid ;
    la réalisation d'un recuit de décarburation sur la tôle d'acier laminée à froid à une température de 800°C à 950°C pour obtenir une tôle d'acier recuite de décarburation ;
    puis, la réalisation d'un traitement de nitruration sur la tôle d'acier recuite de décarburation à de 700°C à 850°C pour obtenir une tôle d'acier nitrurée ; et
    la réalisation d'un recuit de finition sur la tôle d'acier nitrurée.
  2. Procédé de fabrication d'une tôle d'acier électrique à grains orientés selon la revendication 1, dans lequel le laminage à chaud sur l'acier est réalisé après chauffage de l'acier à une température de 1 250°C ou inférieure.
  3. Procédé de fabrication d'une tôle d'acier électrique à grains orientés selon la revendication 1, dans lequel
    une teneur en Ti dans l'acier est de 0,0020 % en masse à 0,0080 % en masse,
    une teneur en Cu dans l'acier est de 0,01 % en masse à 0,10 % en masse, et
    une relation de "20x[Ti]+[Cu]≦0,18" est établie où la teneur en Ti (% en masse) dans l'acier est exprimée par [Ti] et la teneur en Cu (% en masse) est exprimée par [Cu].
  4. Procédé de fabrication d'une tôle d'acier électrique à grains orientés selon la revendication 2, dans lequel
    une teneur en Ti dans l'acier est de 0,0020 % en masse à 0,0080 % en masse,
    une teneur en Cu dans l'acier est de 0,01 % en masse à 0,10 % en masse, et
    une relation de "20x[Ti]+[Cu]≦0,18" est établie où la teneur en Ti (% en masse) dans l'acier est exprimée par [Ti] et la teneur en Cu (% en masse) est exprimée par [Cu].
  5. Procédé de fabrication d'une tôle d'acier électrique à grains orientés selon la revendication 3, dans lequel une relation de "10x[Ti]+[Cu]≦0,07" est établie.
  6. Procédé de fabrication d'une tôle d'acier électrique à grains orientés selon la revendication 4, dans lequel une relation de "10x[Ti]+[Cu]≦0,07" est établie.
EP11744742.5A 2010-02-18 2011-02-18 Procédé de fabrication d'une tôle en acier électrique à grains orientés Active EP2537947B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL11744742T PL2537947T3 (pl) 2010-02-18 2011-02-18 Sposób wytwarzania blachy cienkiej ze stali elektrotechnicznej o ziarnach zorientowanych

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2010033921 2010-02-18
PCT/JP2011/053491 WO2011102456A1 (fr) 2010-02-18 2011-02-18 Procédé de fabrication d'une feuille en acier électromagnétique à grains orientés

Publications (3)

Publication Number Publication Date
EP2537947A1 EP2537947A1 (fr) 2012-12-26
EP2537947A4 EP2537947A4 (fr) 2017-07-26
EP2537947B1 true EP2537947B1 (fr) 2018-12-19

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Country Status (8)

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US (1) US20120312423A1 (fr)
EP (1) EP2537947B1 (fr)
JP (1) JP4943559B2 (fr)
KR (2) KR20120118504A (fr)
CN (1) CN102762752B (fr)
BR (1) BR112012020741B1 (fr)
PL (1) PL2537947T3 (fr)
WO (1) WO2011102456A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103741031B (zh) * 2013-12-27 2016-01-20 钢铁研究总院 薄板坯连铸连轧含钒普通取向硅钢及其制造方法
JP6191780B2 (ja) 2014-09-04 2017-09-06 Ｊｆｅスチール株式会社 方向性電磁鋼板の製造方法および窒化処理設備
RU2687781C1 (ru) * 2015-09-28 2019-05-16 Ниппон Стил Энд Сумитомо Метал Корпорейшн Лист электротехнической стали с ориентированной зеренной структурой и горячекатаный стальной лист для листа электротехнической стали с ориентированной зеренной структурой
KR101676630B1 (ko) * 2015-11-10 2016-11-16 주식회사 포스코 방향성 전기강판 및 그 제조방법
CN110832112B (zh) * 2017-07-13 2021-12-21 日本制铁株式会社 方向性电磁钢板
EP3653756A4 (fr) * 2017-07-13 2020-12-30 Nippon Steel Corporation Tôle d'acier électromagnétique à grains orientés
JP6946847B2 (ja) * 2017-08-17 2021-10-13 日本製鉄株式会社 方向性電磁鋼板の製造方法
JP6946846B2 (ja) * 2017-08-17 2021-10-13 日本製鉄株式会社 方向性電磁鋼板の製造方法
KR102099866B1 (ko) * 2017-12-26 2020-04-10 주식회사 포스코 방향성 전기강판 및 그의 제조방법

Family Cites Families (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3276923A (en) * 1961-04-17 1966-10-04 Gen Electric Reduction in magnetic losses in electrical induction apparatus
GB1261945A (en) * 1968-04-24 1972-01-26 Kobe Steel Ltd A method for producing a mono-directional silicon steel sheet
US4202711A (en) * 1978-10-18 1980-05-13 Armco, Incl. Process for producing oriented silicon iron from strand cast slabs
JPS5956522A (ja) * 1982-09-24 1984-04-02 Nippon Steel Corp 鉄損の良い一方向性電磁鋼板の製造方法
JPS6240315A (ja) * 1985-08-15 1987-02-21 Nippon Steel Corp 磁束密度の高い一方向性珪素鋼板の製造方法
EP0326912B1 (fr) * 1988-02-03 1994-07-27 Nippon Steel Corporation Procédé de fabrication d'une tôle en acier électrique à grain orienté présentant une haute densité de flux
JPH0686632B2 (ja) * 1988-02-03 1994-11-02 新日本製鐵株式会社 磁束密度の高い一方向性珪素鋼板の製造方法
US5759293A (en) * 1989-01-07 1998-06-02 Nippon Steel Corporation Decarburization-annealed steel strip as an intermediate material for grain-oriented electrical steel strip
JPH02200733A (ja) * 1989-01-31 1990-08-09 Nippon Steel Corp 高磁束密度方向性電磁鋼板の製造方法
US5186762A (en) * 1989-03-30 1993-02-16 Nippon Steel Corporation Process for producing grain-oriented electrical steel sheet having high magnetic flux density
JPH0774388B2 (ja) * 1989-09-28 1995-08-09 新日本製鐵株式会社 磁束密度の高い一方向性珪素鋼板の製造方法
JPH03122227A (ja) 1989-10-05 1991-05-24 Nippon Steel Corp 方向性電磁鋼板の脱炭連続焼鈍炉
JPH07122096B2 (ja) * 1990-11-07 1995-12-25 新日本製鐵株式会社 磁気特性、皮膜特性ともに優れた一方向性電磁鋼板の製造方法
JP2620438B2 (ja) * 1991-10-28 1997-06-11 新日本製鐵株式会社 磁束密度の高い一方向性電磁鋼板の製造方法
US5288736A (en) * 1992-11-12 1994-02-22 Armco Inc. Method for producing regular grain oriented electrical steel using a single stage cold reduction
JP3065853B2 (ja) * 1992-12-08 2000-07-17 新日本製鐵株式会社 磁気特性の優れた一方向性電磁鋼板の安定製造方法
JPH06256847A (ja) 1993-03-03 1994-09-13 Nippon Steel Corp 磁気特性の優れた一方向性電磁鋼板の製造方法
JP2951852B2 (ja) * 1994-09-30 1999-09-20 川崎製鉄株式会社 磁気特性に優れる一方向性珪素鋼板の製造方法
JP3056970B2 (ja) * 1995-04-07 2000-06-26 新日本製鐵株式会社 磁気特性が優れた一方向性電磁鋼板の製造方法
IT1290977B1 (it) 1997-03-14 1998-12-14 Acciai Speciali Terni Spa Procedimento per il controllo dell'inibizione nella produzione di lamierino magnetico a grano orientato
JP3481491B2 (ja) 1998-03-30 2003-12-22 新日本製鐵株式会社 磁気特性に優れた一方向性電磁鋼板の製造方法
JP4261633B2 (ja) 1998-05-11 2009-04-30 新日本製鐵株式会社 一方向性電磁鋼板の製造方法
EP1162280B1 (fr) * 2000-06-05 2013-08-07 Nippon Steel & Sumitomo Metal Corporation Procédé de fabrication d'une tôle d'acier électrique à grains orientés presentant d'excellentes caracteristiques magnétiques
JP4272557B2 (ja) * 2004-02-12 2009-06-03 新日本製鐵株式会社 磁気特性に優れた一方向性電磁鋼板の製造方法
WO2006132095A1 (fr) * 2005-06-10 2006-12-14 Nippon Steel Corporation Feuille d’acier magnétique à grains orientés ayant une propriété magnétique extrêmement élevée et procédé pour la fabriquer
JP4598702B2 (ja) 2006-03-23 2010-12-15 新日本製鐵株式会社 磁気特性が優れた高Ｓｉ含有方向性電磁鋼板の製造方法
JP4916847B2 (ja) * 2006-11-21 2012-04-18 新日本製鐵株式会社 一方向性電磁鋼板の製造方法
JP5428188B2 (ja) * 2008-04-15 2014-02-26 新日鐵住金株式会社 方向性電磁鋼板の製造方法
CN101775547B (zh) * 2009-12-31 2012-11-21 武汉钢铁(集团)公司 高磁感取向硅钢带的生产方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
JPWO2011102456A1 (ja) 2013-06-17
JP4943559B2 (ja) 2012-05-30
BR112012020741A2 (pt) 2016-08-23
KR20130119516A (ko) 2013-10-31
WO2011102456A1 (fr) 2011-08-25
KR20120118504A (ko) 2012-10-26
CN102762752A (zh) 2012-10-31
KR101389248B1 (ko) 2014-04-24
CN102762752B (zh) 2016-04-13
US20120312423A1 (en) 2012-12-13
EP2537947A1 (fr) 2012-12-26
EP2537947A4 (fr) 2017-07-26
PL2537947T3 (pl) 2019-05-31
BR112012020741B1 (pt) 2022-07-19

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