JP5586279B2 - 自動車排気系部材用フェライト系ステンレス鋼 - Google Patents
自動車排気系部材用フェライト系ステンレス鋼 Download PDFInfo
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- JP5586279B2 JP5586279B2 JP2010057865A JP2010057865A JP5586279B2 JP 5586279 B2 JP5586279 B2 JP 5586279B2 JP 2010057865 A JP2010057865 A JP 2010057865A JP 2010057865 A JP2010057865 A JP 2010057865A JP 5586279 B2 JP5586279 B2 JP 5586279B2
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- 229910001220 stainless steel Inorganic materials 0.000 title claims description 28
- 230000007797 corrosion Effects 0.000 claims description 106
- 238000005260 corrosion Methods 0.000 claims description 106
- 238000010438 heat treatment Methods 0.000 claims description 29
- 229910052718 tin Inorganic materials 0.000 claims description 27
- 229910000831 Steel Inorganic materials 0.000 claims description 25
- 239000010959 steel Substances 0.000 claims description 25
- 229910052759 nickel Inorganic materials 0.000 claims description 23
- 238000012360 testing method Methods 0.000 claims description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 229910052799 carbon Inorganic materials 0.000 claims description 13
- 229910052757 nitrogen Inorganic materials 0.000 claims description 13
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 229910052804 chromium Inorganic materials 0.000 claims description 6
- 229910052758 niobium Inorganic materials 0.000 claims description 6
- 229910052698 phosphorus Inorganic materials 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 4
- 229910052748 manganese Inorganic materials 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 3
- 239000012085 test solution Substances 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 description 19
- 239000000956 alloy Substances 0.000 description 19
- 230000000694 effects Effects 0.000 description 17
- 150000003839 salts Chemical class 0.000 description 11
- 239000000463 material Substances 0.000 description 10
- 229910052750 molybdenum Inorganic materials 0.000 description 9
- 238000005554 pickling Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 239000010935 stainless steel Substances 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 6
- 229910020938 Sn-Ni Inorganic materials 0.000 description 4
- 229910008937 Sn—Ni Inorganic materials 0.000 description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 230000009471 action Effects 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 239000002436 steel type Substances 0.000 description 4
- 238000000137 annealing Methods 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000006104 solid solution Substances 0.000 description 3
- 238000005728 strengthening Methods 0.000 description 3
- 238000009864 tensile test Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- 239000010953 base metal Substances 0.000 description 2
- 230000006399 behavior Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 238000005204 segregation Methods 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 206010070834 Sensitisation Diseases 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 239000002551 biofuel Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005097 cold rolling Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 229910001651 emery Inorganic materials 0.000 description 1
- 239000003256 environmental substance Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910000734 martensite Inorganic materials 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000008313 sensitization Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
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Classifications
-
- 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
- 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
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/002—Heat treatment of ferrous alloys containing Cr
-
- 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
- C22C38/004—Very low carbon steels, i.e. having a carbon content of less than 0,01%
-
- 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
- C22C38/008—Ferrous alloys, e.g. steel alloys containing tin
-
- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
-
- 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
- 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
- C21D2211/005—Ferrite
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2530/00—Selection of materials for tubes, chambers or housings
- F01N2530/02—Corrosion resistive metals
- F01N2530/04—Steel alloys, e.g. stainless steel
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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)
- Heat Treatment Of Sheet Steel (AREA)
- Exhaust Silencers (AREA)
Description
(1)質量%で、C:≦0.015%、Si:0.01〜0.50%、Mn:0.01〜0.50%、P≦0.050%、S:≦0.010%、N:≦0.015%、Al:0.010〜0.100%、Cr:16.5〜22.5%、Ni:0.5〜2.0%、Sn:0.01〜0.50%を含有し、
更に、Ti:0.03〜0.30%およびNb:0.03〜0.30%の1種または2種を含有し、残部がFeおよび不可避的不純物より成ることを特徴とする自動車排気系部材用フェライト系ステンレス鋼。
(2)質量%で、C:≦0.015%、Si:0.01〜0.50%、Mn:0.01〜0.50%、P≦0.050%、S:≦0.010%、N:≦0.015%、Al:0.010〜0.100%、Cr:16.5〜22.5%、Ni:0.5〜0.71%、Sn:0.01〜0.50%を含有し、
更に、Ti:0.03〜0.30%およびNb:0.03〜0.30%の1種または2種を含有し、残部がFeおよび不可避的不純物より成ることを特徴とする自動車排気系部材用フェライト系ステンレス鋼。
(3)前記鋼を、大気炉中で400℃×8Hrの加熱処理を施した後、JASO−M609−91規定のサイクル腐食試験およびJASO−M611−92−Aに規定の凝縮水腐食試験(ただし、試験液のClイオン濃度を1000ppmとした点がJASO−M611−Aと異なる)を行った場合の最大腐食深さを、SUS436Lの最大腐食深さで割った比がいずれも1未満であることを特徴とする前記(1)または(2)に記載の自動車排気系部材用フェライト系ステンレス鋼。
(4)質量%で、さらにB:0.0002〜0.0050%を含有することを特徴とする前記(1)乃至(3)のいずれかに記載の自動車排気系部材用フェライト系ステンレス鋼。
(5)質量%で、さらにMo:0.01〜0.50%、Cu:0.01〜0.35%の1種または2種を含有することを特徴とする前記(1)乃至(4)のいずれかに記載の自動車排気系部材用フェライト系ステンレス鋼。
Claims (5)
- 質量%で、C:≦0.015%、Si:0.01〜0.50%、Mn:0.01〜0.50%、P≦0.050%、S:≦0.010%、N:≦0.015%、Al:0.010〜0.100%、Cr:16.5〜22.5%、Ni:0.5〜2.0%、Sn:0.01〜0.50%を含有し、
更に、Ti:0.03〜0.30%およびNb:0.03〜0.30%の1種または2種を含有し、残部がFeおよび不可避的不純物より成ることを特徴とする自動車排気系部材用フェライト系ステンレス鋼。 - 質量%で、C:≦0.015%、Si:0.01〜0.50%、Mn:0.01〜0.50%、P≦0.050%、S:≦0.010%、N:≦0.015%、Al:0.010〜0.100%、Cr:16.5〜22.5%、Ni:0.5〜0.71%、Sn:0.01〜0.50%を含有し、
更に、Ti:0.03〜0.30%およびNb:0.03〜0.30%の1種または2種を含有し、残部がFeおよび不可避的不純物より成ることを特徴とする自動車排気系部材用フェライト系ステンレス鋼。 - 前記鋼を、大気炉中で400℃×8Hrの加熱処理を施した後、JASO−M609−91規定のサイクル腐食試験およびJASO−M611−92−Aに規定の凝縮水腐食試験(ただし、試験液のClイオン濃度を1000ppmとした点がJASO−M611−Aと異なる)を行った場合の最大腐食深さを、SUS436Lの最大腐食深さで割った比がいずれも1未満であることを特徴とする請求項1または2に記載の自動車排気系部材用フェライト系ステンレス鋼。
- 質量%で、さらにB:0.0002〜0.0050%を含有することを特徴とする請求項1乃至3のいずれかに記載の自動車排気系部材用フェライト系ステンレス鋼。
- 質量%で、さらにMo:0.01〜0.50%、Cu:0.01〜0.35%の1種または2種を含有することを特徴とする請求項1乃至4のいずれかに記載の自動車排気系部材用フェライト系ステンレス鋼。
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010057865A JP5586279B2 (ja) | 2010-03-15 | 2010-03-15 | 自動車排気系部材用フェライト系ステンレス鋼 |
PCT/JP2011/055513 WO2011114964A1 (ja) | 2010-03-15 | 2011-03-09 | 自動車排気系部材用フェライト系ステンレス鋼 |
EP11756153.0A EP2548988B1 (en) | 2010-03-15 | 2011-03-09 | Ferrite-based stainless steel for use in components of automobile exhaust system |
CN201180013600.6A CN102791899B (zh) | 2010-03-15 | 2011-03-09 | 汽车排气系统部件用铁素体系不锈钢 |
US13/634,593 US9238855B2 (en) | 2010-03-15 | 2011-03-09 | Ferrite-based stainless steel for use in components of automobile exhaust system |
KR1020127023846A KR20120118067A (ko) | 2010-03-15 | 2011-03-09 | 자동차 배기계 부재용 페라이트계 스테인리스 강 |
KR1020157001574A KR20150015049A (ko) | 2010-03-15 | 2011-03-09 | 자동차 배기계 부재용 페라이트계 스테인리스 강 |
ES11756153T ES2731687T3 (es) | 2010-03-15 | 2011-03-09 | Acero inoxidable basado en ferrita para uso en componentes del sistema de escape de automóviles |
BR112012023149-9A BR112012023149B1 (pt) | 2010-03-15 | 2011-03-09 | Aço inoxidável à base de ferrita para uso em componentes de sistema de exaustão de automóvel |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010057865A JP5586279B2 (ja) | 2010-03-15 | 2010-03-15 | 自動車排気系部材用フェライト系ステンレス鋼 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011190504A JP2011190504A (ja) | 2011-09-29 |
JP5586279B2 true JP5586279B2 (ja) | 2014-09-10 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2010057865A Active JP5586279B2 (ja) | 2010-03-15 | 2010-03-15 | 自動車排気系部材用フェライト系ステンレス鋼 |
Country Status (8)
Country | Link |
---|---|
US (1) | US9238855B2 (ja) |
EP (1) | EP2548988B1 (ja) |
JP (1) | JP5586279B2 (ja) |
KR (2) | KR20150015049A (ja) |
CN (1) | CN102791899B (ja) |
BR (1) | BR112012023149B1 (ja) |
ES (1) | ES2731687T3 (ja) |
WO (1) | WO2011114964A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20190122735A (ko) | 2017-03-30 | 2019-10-30 | 닛테츠 스테인레스 가부시키가이샤 | 간극부의 내염해성이 우수한 페라이트계 스테인리스 강관, 관 단부 두께 증가 구조체, 용접 조인트, 및 용접 구조체 |
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BR112013020903B1 (pt) * | 2011-02-17 | 2019-07-02 | Nippon Steel & Sumikin Stainless Steel Corporation | Chapa de aço inoxidável ferrítico e processo para produção da mesma |
US9611525B2 (en) | 2011-03-29 | 2017-04-04 | Nippon Steel & Sumikin Stainless Steel Corporation | Ferritic stainless steel for biofuel supply system part, biofuel supply system part, ferritic stainless steel for exhaust heat recovery unit, and exhaust heat recovery unit |
JP6020957B2 (ja) * | 2012-02-02 | 2016-11-02 | 住友電気工業株式会社 | 内燃機関用材料の評価試験方法 |
WO2014069543A1 (ja) * | 2012-10-30 | 2014-05-08 | 新日鐵住金ステンレス株式会社 | 耐熱性に優れたフェライト系ステンレス鋼板 |
CN103060712B (zh) * | 2012-12-26 | 2015-06-03 | 宁波市瑞通新材料科技有限公司 | 一种锅炉用不锈耐酸钢 |
JP6006660B2 (ja) * | 2013-02-26 | 2016-10-12 | 新日鐵住金ステンレス株式会社 | 耐酸化性および耐食性に優れた自動車排気系部材用省合金型フェライト系ステンレス鋼 |
US10385429B2 (en) * | 2013-03-27 | 2019-08-20 | Nippon Steel & Sumikin Stainless Steel Corporation | Hot-rolled ferritic stainless-steel plate, process for producing same, and steel strip |
JP6159775B2 (ja) * | 2014-10-31 | 2017-07-05 | 新日鐵住金ステンレス株式会社 | 耐排ガス凝縮水腐食性とろう付け性に優れたフェライト系ステンレス鋼及びその製造方法 |
EP3249067B1 (en) * | 2015-01-19 | 2020-11-11 | Nippon Steel & Sumikin Stainless Steel Corporation | Ferritic stainless steel for exhaust system member having excellent corrosion resistance after heating |
ES2759543T3 (es) * | 2015-07-01 | 2020-05-11 | Nippon Steel Corp | Aleación austenítica resistente al calor y estructura soldada |
WO2018066019A1 (ja) * | 2016-10-06 | 2018-04-12 | Jfeスチール株式会社 | 原油タンカー用鋼材および原油タンカー |
KR101844577B1 (ko) * | 2016-12-13 | 2018-04-03 | 주식회사 포스코 | 내열성 및 내응축수 부식성이 개선된 자동차 배기계용 페라이트계 스테인리스강 및 이의 제조 방법 |
CN106636944A (zh) * | 2016-12-27 | 2017-05-10 | 柳州市金岭汽车配件厂 | 汽车门槛踏板及其制备方法 |
CN109234631B (zh) * | 2018-10-26 | 2021-01-08 | 山西太钢不锈钢股份有限公司 | 一种耐低温不锈钢及其制备方法 |
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JPS6046352A (ja) | 1983-08-25 | 1985-03-13 | Kawasaki Steel Corp | 耐食性に優れたフエライト系ステンレス鋼 |
JPS644576A (en) | 1987-06-29 | 1989-01-09 | Komatsu Mfg Co Ltd | Hydraulic steering circuit |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20190122735A (ko) | 2017-03-30 | 2019-10-30 | 닛테츠 스테인레스 가부시키가이샤 | 간극부의 내염해성이 우수한 페라이트계 스테인리스 강관, 관 단부 두께 증가 구조체, 용접 조인트, 및 용접 구조체 |
US11215299B2 (en) | 2017-03-30 | 2022-01-04 | Nippon Steel Stainless Steel Corporation | Ferritic stainless steel pipe having excellent salt tolerance in gap, pipe-end-thickened structure, welding joint, and welded structure |
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US20130004361A1 (en) | 2013-01-03 |
EP2548988B1 (en) | 2019-05-01 |
WO2011114964A1 (ja) | 2011-09-22 |
JP2011190504A (ja) | 2011-09-29 |
EP2548988A1 (en) | 2013-01-23 |
CN102791899A (zh) | 2012-11-21 |
BR112012023149B1 (pt) | 2019-04-02 |
CN102791899B (zh) | 2015-11-25 |
KR20120118067A (ko) | 2012-10-25 |
EP2548988A4 (en) | 2017-07-26 |
KR20150015049A (ko) | 2015-02-09 |
BR112012023149A2 (ja) | 2018-06-26 |
US9238855B2 (en) | 2016-01-19 |
ES2731687T3 (es) | 2019-11-18 |
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