EP2824204A4 - Steel sheet for hot pressing use, press-molded article, and method for producing press-molded article - Google Patents

Steel sheet for hot pressing use, press-molded article, and method for producing press-molded article

Info

Publication number
EP2824204A4
EP2824204A4 EP13757070.1A EP13757070A EP2824204A4 EP 2824204 A4 EP2824204 A4 EP 2824204A4 EP 13757070 A EP13757070 A EP 13757070A EP 2824204 A4 EP2824204 A4 EP 2824204A4
Authority
EP
European Patent Office
Prior art keywords
molded article
press
steel sheet
hot pressing
producing
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.)
Withdrawn
Application number
EP13757070.1A
Other languages
German (de)
French (fr)
Other versions
EP2824204A1 (en
Inventor
Toshio Murakami
Junya Naitou
Keisuke Okita
Shushi Ikeda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kobe Steel Ltd
Original Assignee
Kobe Steel Ltd
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 Kobe Steel Ltd filed Critical Kobe Steel Ltd
Publication of EP2824204A1 publication Critical patent/EP2824204A1/en
Publication of EP2824204A4 publication Critical patent/EP2824204A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D9/00Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/54Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D22/00Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/20Deep-drawing
    • B21D22/208Deep-drawing by heating the blank or deep-drawing associated with heat treatment
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00Tools as parts of machines covered by this subclass
    • B21D37/16Heating or cooling
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/62Quenching devices
    • C21D1/673Quenching devices for die quenching
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D8/00Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D8/00Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0247Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D9/00Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/46Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/001Ferrous alloys, e.g. steel alloys containing N
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/002Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/005Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/02Ferrous alloys, e.g. steel alloys containing silicon
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/04Ferrous alloys, e.g. steel alloys containing manganese
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/06Ferrous alloys, e.g. steel alloys containing aluminium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/14Ferrous alloys, e.g. steel alloys containing titanium or zirconium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/20Ferrous alloys, e.g. steel alloys containing chromium with copper
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/22Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/24Ferrous alloys, e.g. steel alloys containing chromium with vanadium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/26Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/28Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/32Ferrous alloys, e.g. steel alloys containing chromium with boron
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/38Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of manganese
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/50Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/60Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D2211/00Microstructure comprising significant phases
    • C21D2211/001Austenite
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D2211/00Microstructure comprising significant phases
    • C21D2211/002Bainite
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D2211/00Microstructure comprising significant phases
    • C21D2211/004Dispersions; Precipitations
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D2211/00Microstructure comprising significant phases
    • C21D2211/008Martensite
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D2221/00Treating localised areas of an article

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)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Heat Treatment Of Articles (AREA)
EP13757070.1A 2012-03-09 2013-03-01 Steel sheet for hot pressing use, press-molded article, and method for producing press-molded article Withdrawn EP2824204A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012053845A JP5756774B2 (en) 2012-03-09 2012-03-09 Steel sheet for hot pressing, press-formed product, and method for producing press-formed product
PCT/JP2013/055678 WO2013133165A1 (en) 2012-03-09 2013-03-01 Steel sheet for hot pressing use, press-molded article, and method for producing press-molded article

Publications (2)

Publication Number Publication Date
EP2824204A1 EP2824204A1 (en) 2015-01-14
EP2824204A4 true EP2824204A4 (en) 2015-11-04

Family

ID=49116645

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13757070.1A Withdrawn EP2824204A4 (en) 2012-03-09 2013-03-01 Steel sheet for hot pressing use, press-molded article, and method for producing press-molded article

Country Status (6)

Country Link
US (1) US20150090377A1 (en)
EP (1) EP2824204A4 (en)
JP (1) JP5756774B2 (en)
KR (1) KR101609968B1 (en)
CN (1) CN104160051B (en)
WO (1) WO2013133165A1 (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5890711B2 (en) * 2012-03-15 2016-03-22 株式会社神戸製鋼所 Hot press-formed product and method for producing the same
CA3014626A1 (en) * 2013-09-10 2015-03-19 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) Hot-pressing steel plate, press-molded article, and method for manufacturing press-molded article
BR112015032803B1 (en) * 2013-09-18 2020-01-14 Nippon Steel & Sumitomo Metal Corp hot stamped part and production method
KR101814949B1 (en) 2013-11-29 2018-01-04 신닛테츠스미킨 카부시키카이샤 Hot-formed steel sheet member, and method for producing same
PL3093358T3 (en) 2014-01-06 2020-02-28 Nippon Steel Corporation Steel and method of manufacturing the same
MX2016008809A (en) 2014-01-06 2016-09-08 Nippon Steel & Sumitomo Metal Corp Hot-formed member and process for manufacturing same.
WO2017149999A1 (en) * 2016-02-29 2017-09-08 株式会社神戸製鋼所 Steel sheet for hardening, hardened member, and method for manufacturing steel sheet for hardening
JP2017155329A (en) * 2016-02-29 2017-09-07 株式会社神戸製鋼所 Steel sheet for hardening and manufacturing method therefor
US20190226048A1 (en) * 2016-09-30 2019-07-25 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) Steel parts, production method therefor, and steel sheet for steel parts
EP3546602B1 (en) 2016-11-25 2021-06-30 Nippon Steel Corporation Method for manufacturing a quenched molding
JP6187729B1 (en) * 2017-01-17 2017-08-30 新日鐵住金株式会社 Steel sheet for hot stamping
WO2019092483A1 (en) * 2017-11-10 2019-05-16 Arcelormittal Cold rolled and heat treated steel sheet and a method of manufacturing thereof
JP7353768B2 (en) * 2018-03-27 2023-10-02 株式会社神戸製鋼所 Steel plate for hot stamping
CN112513310A (en) * 2018-05-24 2021-03-16 通用汽车环球科技运作有限责任公司 Method for improving strength and ductility of press-hardened steel
US11612926B2 (en) 2018-06-19 2023-03-28 GM Global Technology Operations LLC Low density press-hardening steel having enhanced mechanical properties
US20200156134A1 (en) * 2018-11-20 2020-05-21 GM Global Technology Operations LLC Thermal-assisted multiple sheet roll forming
US11530469B2 (en) 2019-07-02 2022-12-20 GM Global Technology Operations LLC Press hardened steel with surface layered homogenous oxide after hot forming
CN115478227B (en) * 2022-11-14 2023-06-16 育材堂(苏州)材料科技有限公司 Steel sheet for hot stamping, hot stamping member, and steel sheet manufacturing method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1616970A1 (en) * 2003-04-21 2006-01-18 JFE Steel Corporation High strength hot-rolled steel plate
US20090098408A1 (en) * 2007-10-10 2009-04-16 Nucor Corporation Complex metallographic structured steel and method of manufacturing same
US20090238715A1 (en) * 2008-03-24 2009-09-24 Posco Steel sheet for hot press forming having low-temperature heat treatment property, method of manufacturing the same, method of manufacturing parts using the same, and parts manufactured by the same

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07197186A (en) * 1993-12-30 1995-08-01 Kobe Steel Ltd Hot-rolled steel sheet having >=980n/mm2 strength represented by excellent delayed fracture resistant characteristic and its production
JP4288201B2 (en) * 2003-09-05 2009-07-01 新日本製鐵株式会社 Manufacturing method of automotive member having excellent hydrogen embrittlement resistance
JP4635525B2 (en) * 2003-09-26 2011-02-23 Jfeスチール株式会社 High-strength steel sheet excellent in deep drawability and manufacturing method thereof
JP2005288528A (en) * 2004-04-05 2005-10-20 Nippon Steel Corp Method for hot-pressing steel sheet which has high strength after forming
JP4661306B2 (en) * 2005-03-29 2011-03-30 Jfeスチール株式会社 Manufacturing method of ultra-high strength hot-rolled steel sheet
JP2009061473A (en) * 2007-09-06 2009-03-26 Sumitomo Metal Ind Ltd Method for manufacturing high-strength component
JP5385554B2 (en) * 2008-06-19 2014-01-08 株式会社神戸製鋼所 Steel for heat treatment
JP5131844B2 (en) * 2008-08-12 2013-01-30 新日鐵住金株式会社 Hot-rolled steel sheet for hot pressing, manufacturing method thereof, and manufacturing method of hot-pressed steel sheet member
JP5347395B2 (en) 2008-09-12 2013-11-20 Jfeスチール株式会社 Hot press member excellent in ductility, steel plate for hot press member, and method for producing hot press member
JP5347394B2 (en) 2008-09-12 2013-11-20 Jfeスチール株式会社 Hot press member excellent in ductility, steel plate for hot press member, and method for producing hot press member
JP5347392B2 (en) 2008-09-12 2013-11-20 Jfeスチール株式会社 Hot press member excellent in ductility, steel plate for hot press member, and method for producing hot press member
JP5347393B2 (en) 2008-09-12 2013-11-20 Jfeスチール株式会社 Hot press member excellent in ductility, steel plate for hot press member, and method for producing hot press member
KR101091294B1 (en) * 2008-12-24 2011-12-07 주식회사 포스코 Steel Sheet With High Strength And Elongation And Method For Manufacturing Hot-Rolled Steel Sheet, Cold-Rolled Steel Sheet, Galvanized Steel Sheet And Galvannealed Steel Sheet With High Strength And Elongation
JP4978741B2 (en) * 2010-05-31 2012-07-18 Jfeスチール株式会社 High-strength hot-rolled steel sheet excellent in stretch flangeability and fatigue resistance and method for producing the same

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1616970A1 (en) * 2003-04-21 2006-01-18 JFE Steel Corporation High strength hot-rolled steel plate
US20090098408A1 (en) * 2007-10-10 2009-04-16 Nucor Corporation Complex metallographic structured steel and method of manufacturing same
US20090238715A1 (en) * 2008-03-24 2009-09-24 Posco Steel sheet for hot press forming having low-temperature heat treatment property, method of manufacturing the same, method of manufacturing parts using the same, and parts manufactured by the same

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2013133165A1 *

Also Published As

Publication number Publication date
EP2824204A1 (en) 2015-01-14
US20150090377A1 (en) 2015-04-02
CN104160051A (en) 2014-11-19
KR101609968B1 (en) 2016-04-06
JP2013185243A (en) 2013-09-19
CN104160051B (en) 2016-08-24
WO2013133165A1 (en) 2013-09-12
KR20140127857A (en) 2014-11-04
JP5756774B2 (en) 2015-07-29

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