EP2327810A4 - Feuille d'acier de résistance élevée et son procédé de fabrication - Google Patents
Feuille d'acier de résistance élevée et son procédé de fabricationInfo
- Publication number
- EP2327810A4 EP2327810A4 EP09813166.7A EP09813166A EP2327810A4 EP 2327810 A4 EP2327810 A4 EP 2327810A4 EP 09813166 A EP09813166 A EP 09813166A EP 2327810 A4 EP2327810 A4 EP 2327810A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- less
- steel sheet
- whole
- area percentage
- martensite
- 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
- 229910000831 Steel Inorganic materials 0.000 title abstract 5
- 239000010959 steel Substances 0.000 title abstract 5
- 238000004519 manufacturing process Methods 0.000 title 1
- 229910001563 bainite Inorganic materials 0.000 abstract 3
- 229910000734 martensite Inorganic materials 0.000 abstract 3
- 229910001566 austenite Inorganic materials 0.000 abstract 2
- 230000000717 retained effect Effects 0.000 abstract 2
- 239000012535 impurity Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 229910001568 polygonal ferrite Inorganic materials 0.000 abstract 1
- 229910000859 α-Fe Inorganic materials 0.000 abstract 1
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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
- C21D1/19—Hardening; Quenching with or without subsequent tempering by interrupted quenching
- C21D1/20—Isothermal quenching, e.g. bainitic hardening
-
- 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
- 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
- C21D9/48—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals deep-drawing sheets
-
- 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
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
-
- 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
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
-
- 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
- C22C38/04—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
- 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
-
- 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
- C21D2211/002—Bainite
-
- 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
- C21D2211/008—Martensite
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Heat Treatment Of Sheet Steel (AREA)
- Coating With Molten Metal (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008232437A JP5365112B2 (ja) | 2008-09-10 | 2008-09-10 | 高強度鋼板およびその製造方法 |
PCT/JP2009/065981 WO2010030021A1 (fr) | 2008-09-10 | 2009-09-08 | Feuille d'acier de résistance élevée et son procédé de fabrication |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2327810A1 EP2327810A1 (fr) | 2011-06-01 |
EP2327810A4 true EP2327810A4 (fr) | 2013-11-20 |
EP2327810B1 EP2327810B1 (fr) | 2019-02-27 |
Family
ID=42005270
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09813166.7A Active EP2327810B1 (fr) | 2008-09-10 | 2009-09-08 | Feuille d'acier de résistance élevée et son procédé de fabrication |
Country Status (8)
Country | Link |
---|---|
US (1) | US20110162762A1 (fr) |
EP (1) | EP2327810B1 (fr) |
JP (1) | JP5365112B2 (fr) |
KR (1) | KR101341731B1 (fr) |
CN (1) | CN102149841B (fr) |
CA (1) | CA2734978C (fr) |
TW (1) | TWI412609B (fr) |
WO (1) | WO2010030021A1 (fr) |
Families Citing this family (62)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5883211B2 (ja) * | 2010-01-29 | 2016-03-09 | 株式会社神戸製鋼所 | 加工性に優れた高強度冷延鋼板およびその製造方法 |
JP5333298B2 (ja) * | 2010-03-09 | 2013-11-06 | Jfeスチール株式会社 | 高強度鋼板の製造方法 |
JP5671359B2 (ja) * | 2010-03-24 | 2015-02-18 | 株式会社神戸製鋼所 | 温間加工性に優れた高強度鋼板 |
JP5825481B2 (ja) * | 2010-11-05 | 2015-12-02 | Jfeスチール株式会社 | 深絞り性および焼付硬化性に優れる高強度冷延鋼板とその製造方法 |
JP5662902B2 (ja) | 2010-11-18 | 2015-02-04 | 株式会社神戸製鋼所 | 成形性に優れた高強度鋼板、温間加工方法、および温間加工された自動車部品 |
JP5662903B2 (ja) * | 2010-11-18 | 2015-02-04 | 株式会社神戸製鋼所 | 成形性に優れた高強度鋼板、温間加工方法、および温間加工された自動車部品 |
JP5906753B2 (ja) * | 2011-02-24 | 2016-04-20 | Jfeスチール株式会社 | 合金化溶融亜鉛めっき鋼板 |
WO2012133057A1 (fr) | 2011-03-31 | 2012-10-04 | 株式会社神戸製鋼所 | Tôle d'acier à haute résistance présentant une excellente aptitude au façonnage, et son procédé de fabrication |
US9745639B2 (en) | 2011-06-13 | 2017-08-29 | Kobe Steel, Ltd. | High-strength steel sheet excellent in workability and cold brittleness resistance, and manufacturing method thereof |
JP5824283B2 (ja) * | 2011-08-17 | 2015-11-25 | 株式会社神戸製鋼所 | 室温および温間での成形性に優れた高強度鋼板 |
JP6047983B2 (ja) * | 2011-08-19 | 2016-12-21 | Jfeスチール株式会社 | 伸びおよび伸びフランジ性に優れる高強度冷延鋼板の製造方法 |
MX352497B (es) * | 2011-09-30 | 2017-11-28 | Nippon Steel & Sumitomo Metal Corp | Lamina de acero aleada, galvanizada por inmersion en caliente. |
US10526690B2 (en) * | 2011-09-30 | 2020-01-07 | Nippon Steel Corporation | High-strength hot-dip galvanized steel sheet |
WO2013051238A1 (fr) * | 2011-10-04 | 2013-04-11 | Jfeスチール株式会社 | Tôle d'acier à haute résistance et procédé de fabrication associé |
JP5860308B2 (ja) * | 2012-02-29 | 2016-02-16 | 株式会社神戸製鋼所 | 温間成形性に優れた高強度鋼板およびその製造方法 |
JP5348268B2 (ja) | 2012-03-07 | 2013-11-20 | Jfeスチール株式会社 | 成形性に優れる高強度冷延鋼板およびその製造方法 |
JP6228741B2 (ja) * | 2012-03-27 | 2017-11-08 | 株式会社神戸製鋼所 | 板幅方向における中央部と端部の強度差が少なく、曲げ加工性に優れた高強度溶融亜鉛めっき鋼板、高強度合金化溶融亜鉛めっき鋼板、およびこれらの製造方法 |
JP5764549B2 (ja) | 2012-03-29 | 2015-08-19 | 株式会社神戸製鋼所 | 成形性および形状凍結性に優れた、高強度冷延鋼板、高強度溶融亜鉛めっき鋼板および高強度合金化溶融亜鉛めっき鋼板、ならびにそれらの製造方法 |
ES2648415T5 (es) | 2012-03-30 | 2021-02-15 | Voestalpine Stahl Gmbh | Chapa de acero de alta resistencia laminada en frío y procedimiento de fabricación de dicha chapa de acero |
JP5966598B2 (ja) * | 2012-05-17 | 2016-08-10 | Jfeスチール株式会社 | 加工性に優れる高降伏比高強度冷延鋼板およびその製造方法 |
KR101412262B1 (ko) * | 2012-06-19 | 2014-06-27 | 현대제철 주식회사 | 굽힘성과 성형성이 우수한 자동차용 고강도 냉연강판 제조 방법 |
EP2690184B1 (fr) * | 2012-07-27 | 2020-09-02 | ThyssenKrupp Steel Europe AG | Cold rolled steel flat product and method for its production |
EP2690183B1 (fr) * | 2012-07-27 | 2017-06-28 | ThyssenKrupp Steel Europe AG | Produit plat en acier laminé à chaud et son procédé de fabrication |
CA2879540C (fr) * | 2012-08-06 | 2018-06-12 | Nippon Steel & Sumitomo Metal Corporation | Feuille d'acier laminee a froid, son procede de fabrication et article moule par estampage a chaud |
CN102904297A (zh) * | 2012-09-11 | 2013-01-30 | 苏州市莱赛电车技术有限公司 | 一种电动汽车顶部充电的装置 |
AT512792B1 (de) * | 2012-09-11 | 2013-11-15 | Voestalpine Schienen Gmbh | Verfahren zur Herstellung von bainitischen Schienenstählen |
JP5862591B2 (ja) * | 2013-03-28 | 2016-02-16 | Jfeスチール株式会社 | 高強度鋼板およびその製造方法 |
ES2636780T3 (es) | 2013-08-22 | 2017-10-09 | Thyssenkrupp Steel Europe Ag | Procedimiento para la fabricación de un componente de acero |
WO2016001708A1 (fr) | 2014-07-03 | 2016-01-07 | Arcelormittal | Procédé de production d'une tôle d'acier revêtue à haute résistance présentant une résistance, une aptitude au formage améliorées et tôle ainsi obtenue |
WO2016001703A1 (fr) | 2014-07-03 | 2016-01-07 | Arcelormittal | Procédé de fabrication d'une tôle d'acier à haute résistance et tôle obtenue par le procédé |
WO2016001705A1 (fr) | 2014-07-03 | 2016-01-07 | Arcelormittal | Procédé de fabrication d'une tôle d'acier à haute résistance présentant une aptitude au formage et une ductilité améliorées, et tôle ainsi obtenue |
JP6282577B2 (ja) * | 2014-11-26 | 2018-02-21 | 株式会社神戸製鋼所 | 高強度高延性鋼板 |
KR101695263B1 (ko) * | 2014-12-30 | 2017-01-12 | 한국기계연구원 | 생산성, 강도와 연성의 조합이 우수한 고강도 강판, 그 제조 방법 |
CN107109507B (zh) * | 2014-12-30 | 2019-03-01 | 韩国机械硏究院 | 强度和延展性的组合优秀的高强度钢板及其制造方法 |
KR101695261B1 (ko) * | 2014-12-30 | 2017-01-12 | 한국기계연구원 | 강도와 연성의 조합이 우수한 고강도 강판, 그 제조 방법 |
JP7053267B2 (ja) | 2015-05-21 | 2022-04-12 | クリーブランド-クリフス スティール プロパティーズ、インク. | 高マンガン第3世代先進高張力鋼 |
JP6187710B2 (ja) * | 2015-06-11 | 2017-08-30 | 新日鐵住金株式会社 | 合金化溶融亜鉛めっき鋼板およびその製造方法 |
JP2016065319A (ja) * | 2015-11-30 | 2016-04-28 | Jfeスチール株式会社 | 高強度鋼板の表面性状の評価方法および高強度鋼板の製造方法 |
CN105543630B (zh) * | 2015-12-21 | 2017-08-25 | 秦皇岛首秦金属材料有限公司 | 一种含硼高碳锯片用钢及其制造方法 |
WO2017109539A1 (fr) | 2015-12-21 | 2017-06-29 | Arcelormittal | Procédé de fabrication d'une tôle d'acier à haute résistance présentant une résistance et une formabilité améliorées et tôle d'acier à haute résistance obtenue par ce procédé |
KR101877787B1 (ko) * | 2015-12-28 | 2018-07-16 | 한국기계연구원 | 연신율이 우수한 고강도 강판 및 그 제조 방법 |
MX2018009643A (es) * | 2016-02-10 | 2018-12-17 | Jfe Steel Corp | Lamina de acero de alta resistencia y metodo para la produccion de la misma. |
WO2017138503A1 (fr) | 2016-02-10 | 2017-08-17 | Jfeスチール株式会社 | Tôle d'acier à haute résistance et procédé de fabrication de cette dernière |
CN106119703B (zh) | 2016-06-21 | 2018-01-30 | 宝山钢铁股份有限公司 | 一种980MPa级热轧双相钢及其制造方法 |
KR102035525B1 (ko) * | 2016-06-27 | 2019-10-24 | 한국기계연구원 | 필름형 잔류 오스테나이트를 포함하는 강재 |
US11136644B2 (en) | 2016-08-31 | 2021-10-05 | Jfe Steel Corporation | High-strength cold rolled steel sheet and method for producing the same |
RU2020116368A (ru) * | 2017-11-15 | 2021-12-15 | Ниппон Стил Корпорейшн | Высокопрочный холоднокатаный стальной лист |
WO2019154819A1 (fr) | 2018-02-07 | 2019-08-15 | Tata Steel Nederland Technology B.V. | Acier haute résistance laminé à chaud ou laminé à froid et recuit et son procédé de production |
EP3868909A4 (fr) * | 2018-10-17 | 2021-08-25 | JFE Steel Corporation | Tôle d'acier mince, et procédé de fabrication de celle-ci |
KR102276740B1 (ko) * | 2018-12-18 | 2021-07-13 | 주식회사 포스코 | 연성 및 가공성이 우수한 고강도 강판 및 그 제조방법 |
SE1950072A1 (en) * | 2019-01-22 | 2020-07-21 | Voestalpine Stahl Gmbh | Cold rolled steel sheet |
WO2020162556A1 (fr) * | 2019-02-06 | 2020-08-13 | 日本製鉄株式会社 | Tôle d'acier galvanisée par immersion à chaud et procédé de fabrication associé |
EP3754037B1 (fr) * | 2019-06-17 | 2022-03-02 | Tata Steel IJmuiden B.V. | Procédé de traitement thermique d'une bande d'acier laminée à froid à haute résistance |
ES2911655T3 (es) * | 2019-06-17 | 2022-05-20 | Tata Steel Ijmuiden Bv | Tratamiento térmico de un fleje de acero laminado en frío |
ES2911661T3 (es) * | 2019-06-17 | 2022-05-20 | Tata Steel Ijmuiden Bv | Tratamiento térmico de un fleje de acero laminado en frío de alta resistencia |
EP3754035B1 (fr) * | 2019-06-17 | 2022-03-02 | Tata Steel IJmuiden B.V. | Procédé de traitement thermique d'une bande d'acier laminée à froid |
CN114585765B (zh) * | 2019-10-23 | 2023-09-19 | 杰富意钢铁株式会社 | 高强度钢板及其制造方法 |
EP4079883A4 (fr) * | 2020-02-28 | 2023-05-24 | JFE Steel Corporation | Tôle d'acier, élément et procédés respectivement pour la production de ladite tôle d'acier et dudit élément |
JP7031795B1 (ja) * | 2020-05-11 | 2022-03-08 | Jfeスチール株式会社 | 鋼板、部材及びそれらの製造方法 |
KR102398151B1 (ko) * | 2020-09-07 | 2022-05-16 | 주식회사 포스코 | 연성이 우수한 초고강도 강판의 제조방법 및 이를 이용하여 제조된 초고강도 강판 |
EP4283007A4 (fr) * | 2021-03-02 | 2024-07-31 | Jfe Steel Corp | Tôle d'acier, élément, procédé de production de ladite tôle d'acier et procédé de production dudit élément |
KR20240003211A (ko) * | 2022-06-30 | 2024-01-08 | 현대제철 주식회사 | 냉연 강판 및 그 제조방법 |
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EP1553202A1 (fr) * | 2004-01-09 | 2005-07-13 | Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | Acier à très haute résistance mécanique ayant une excellente résistance à la fragilisation par l'hydrogène et son procédé de production |
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JP4068950B2 (ja) * | 2002-12-06 | 2008-03-26 | 株式会社神戸製鋼所 | 温間加工による伸び及び伸びフランジ性に優れた高強度鋼板、温間加工方法、及び温間加工された高強度部材または高強度部品 |
JP4412727B2 (ja) * | 2004-01-09 | 2010-02-10 | 株式会社神戸製鋼所 | 耐水素脆化特性に優れた超高強度鋼板及びその製造方法 |
US20090277547A1 (en) * | 2006-07-14 | 2009-11-12 | Kabushiki Kaisha Kobe Seiko Sho | High-strength steel sheets and processes for production of the same |
-
2008
- 2008-09-10 JP JP2008232437A patent/JP5365112B2/ja active Active
-
2009
- 2009-09-08 US US13/062,574 patent/US20110162762A1/en not_active Abandoned
- 2009-09-08 KR KR1020117006084A patent/KR101341731B1/ko active IP Right Grant
- 2009-09-08 EP EP09813166.7A patent/EP2327810B1/fr active Active
- 2009-09-08 CA CA2734978A patent/CA2734978C/fr not_active Expired - Fee Related
- 2009-09-08 WO PCT/JP2009/065981 patent/WO2010030021A1/fr active Application Filing
- 2009-09-08 CN CN2009801355751A patent/CN102149841B/zh active Active
- 2009-09-10 TW TW098130498A patent/TWI412609B/zh not_active IP Right Cessation
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1553202A1 (fr) * | 2004-01-09 | 2005-07-13 | Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | Acier à très haute résistance mécanique ayant une excellente résistance à la fragilisation par l'hydrogène et son procédé de production |
Also Published As
Publication number | Publication date |
---|---|
KR101341731B1 (ko) | 2013-12-16 |
JP5365112B2 (ja) | 2013-12-11 |
CN102149841A (zh) | 2011-08-10 |
JP2010065273A (ja) | 2010-03-25 |
CA2734978A1 (fr) | 2010-03-18 |
KR20110042369A (ko) | 2011-04-26 |
CA2734978C (fr) | 2016-03-29 |
CN102149841B (zh) | 2013-11-20 |
TW201020329A (en) | 2010-06-01 |
US20110162762A1 (en) | 2011-07-07 |
EP2327810A1 (fr) | 2011-06-01 |
EP2327810B1 (fr) | 2019-02-27 |
WO2010030021A1 (fr) | 2010-03-18 |
TWI412609B (zh) | 2013-10-21 |
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