MX373800B - Lámina de acero. - Google Patents
Lámina de acero.Info
- Publication number
- MX373800B MX373800B MX2015002530A MX2015002530A MX373800B MX 373800 B MX373800 B MX 373800B MX 2015002530 A MX2015002530 A MX 2015002530A MX 2015002530 A MX2015002530 A MX 2015002530A MX 373800 B MX373800 B MX 373800B
- Authority
- MX
- Mexico
- Prior art keywords
- steel plate
- strain
- incurred
- formed section
- forming
- Prior art date
Links
- 229910000831 Steel Inorganic materials 0.000 title abstract 2
- 239000010959 steel Substances 0.000 title abstract 2
- 230000003749 cleanliness Effects 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 238000005204 segregation Methods 0.000 abstract 1
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
- C22C38/18—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
-
- 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
-
- 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
- C21D1/62—Quenching devices
- C21D1/673—Quenching devices for die quenching
-
- 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
- C21D8/0263—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment following hot rolling
-
- 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
- C22C38/02—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
- 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
- C22C38/20—Ferrous alloys, e.g. steel alloys containing chromium with 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
- C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium 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
- C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium 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
- C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron
-
- 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
-
- 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
- C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
-
- 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
-
- 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
-
- 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
Landscapes
- 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)
- Heat Treatment Of Steel (AREA)
- Electroplating Methods And Accessories (AREA)
- Heat Treatment Of Articles (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012187959 | 2012-08-28 | ||
| PCT/JP2013/072989 WO2014034714A1 (ja) | 2012-08-28 | 2013-08-28 | 鋼板 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| MX2015002530A MX2015002530A (es) | 2015-06-05 |
| MX373800B true MX373800B (es) | 2020-03-24 |
Family
ID=50183522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MX2015002530A MX373800B (es) | 2012-08-28 | 2013-08-28 | Lámina de acero. |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US20150225821A1 (cs) |
| EP (1) | EP2891727B1 (cs) |
| JP (1) | JP5541428B1 (cs) |
| KR (1) | KR101683406B1 (cs) |
| CN (1) | CN104583445B (cs) |
| BR (1) | BR112015004191B1 (cs) |
| ES (1) | ES2707893T3 (cs) |
| IN (1) | IN2015DN01523A (cs) |
| MX (1) | MX373800B (cs) |
| PL (1) | PL2891727T3 (cs) |
| TW (1) | TWI481730B (cs) |
| WO (1) | WO2014034714A1 (cs) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3124637B9 (en) | 2014-03-26 | 2019-12-04 | Nippon Steel Corporation | High-strength hot-formed steel sheet member |
| PL3150737T3 (pl) * | 2014-05-29 | 2020-03-31 | Nippon Steel Corporation | Materiał stalowy poddany obróbce cieplnej i sposób jego wytwarzania |
| KR102034127B1 (ko) * | 2015-04-08 | 2019-10-18 | 닛폰세이테츠 가부시키가이샤 | 열처리 강판 부재 및 그것의 제조 방법 |
| KR102021687B1 (ko) * | 2015-04-08 | 2019-09-16 | 닛폰세이테츠 가부시키가이샤 | 열처리용 열연 강판 |
| MX2017012873A (es) | 2015-04-08 | 2018-01-15 | Nippon Steel & Sumitomo Metal Corp | Miembro de lamina de acero con tratamiento termico y metodo para producirlo. |
| MX2018001080A (es) | 2015-07-29 | 2018-05-07 | Jfe Steel Corp | Lamina de acero laminada en frio, lamina de acero recubierta, metodo para la fabricacion de lamina de acero laminada en frio, y metodo para la fabricacion de lamina de acero recubierta. |
| KR102092492B1 (ko) | 2015-12-28 | 2020-03-23 | 제이에프이 스틸 가부시키가이샤 | 고강도 강판, 고강도 아연 도금 강판 및 이들의 제조 방법 |
| BR112019016682A2 (pt) * | 2017-02-20 | 2020-04-14 | Nippon Steel Corp | corpo estampado a quente |
| JP6384643B1 (ja) * | 2017-02-20 | 2018-09-05 | 新日鐵住金株式会社 | ホットスタンプ成形体 |
| EP3584344B1 (en) * | 2017-02-20 | 2025-08-06 | Nippon Steel Corporation | High strength steel sheet |
| WO2020158285A1 (ja) * | 2019-01-31 | 2020-08-06 | Ｊｆｅスチール株式会社 | 熱間プレス部材、熱間プレス部材用冷延鋼板、およびそれらの製造方法 |
| EP3929321B1 (en) | 2019-02-21 | 2023-09-27 | JFE Steel Corporation | Hot-pressed member, cold-rolled steel sheet for hot pressing, and manufacturing methods therefor |
| JP7464495B2 (ja) | 2020-03-11 | 2024-04-09 | 株式会社神戸製鋼所 | 局所的に軟化された部分を有する鋼部品の製造方法 |
| CN115279927B (zh) * | 2020-03-11 | 2024-10-25 | 株式会社神户制钢所 | 具有局部软化部分的钢零件的制造方法 |
| MX2023009349A (es) * | 2021-03-25 | 2023-08-17 | Nippon Steel Corp | Lamina de acero. |
| CN118632752A (zh) * | 2022-04-06 | 2024-09-10 | 日本制铁株式会社 | 翻边构造部件 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3389562B2 (ja) | 2000-07-28 | 2003-03-24 | アイシン高丘株式会社 | 車輌用衝突補強材の製造方法 |
| JP4325277B2 (ja) * | 2003-05-28 | 2009-09-02 | 住友金属工業株式会社 | 熱間成形法と熱間成形部材 |
| JP4427465B2 (ja) | 2005-02-02 | 2010-03-10 | 新日本製鐵株式会社 | 生産性に優れたホットプレス高強度鋼製部材の製造方法 |
| JP4696615B2 (ja) * | 2005-03-17 | 2011-06-08 | 住友金属工業株式会社 | 高張力鋼板、溶接鋼管及びそれらの製造方法 |
| WO2007000955A1 (ja) * | 2005-06-29 | 2007-01-04 | Jfe Steel Corporation | 高炭素熱延鋼板およびその製造方法 |
| JP4725415B2 (ja) * | 2006-05-23 | 2011-07-13 | 住友金属工業株式会社 | 熱間プレス用鋼板および熱間プレス鋼板部材ならびにそれらの製造方法 |
| JP4282731B2 (ja) * | 2006-08-11 | 2009-06-24 | 新日本製鐵株式会社 | 疲労特性に優れた自動車足回り部品の製造方法 |
| JP2009242910A (ja) | 2008-03-31 | 2009-10-22 | Kobe Steel Ltd | 被削性と強度異方性に優れた機械構造用鋼および機械構造用部品 |
| WO2010106748A1 (ja) * | 2009-03-16 | 2010-09-23 | 新日本製鐵株式会社 | 焼入れ性に優れたボロン添加鋼板および製造方法 |
| CA2736374A1 (en) * | 2009-03-27 | 2010-09-30 | Nippon Steel Corporation | Carbon steel sheet having excellent carburization properties, and method for producing same |
| JP5353642B2 (ja) * | 2009-11-06 | 2013-11-27 | 新日鐵住金株式会社 | 熱処理用鋼板およびその製造方法 |
| JP5440371B2 (ja) * | 2010-05-12 | 2014-03-12 | 新日鐵住金株式会社 | 熱処理用鋼板およびその製造方法 |
| CN103314120B (zh) * | 2010-10-22 | 2014-11-05 | 新日铁住金株式会社 | 热锻压成形体的制造方法及热锻压成形体 |
| PL2631308T3 (pl) * | 2010-10-22 | 2019-05-31 | Nippon Steel & Sumitomo Metal Corp | Sposób wytwarzania elementu wytłaczanego na gorąco mającego ściankę pionową oraz element wytłaczany na gorąco mający ściankę pionową |
-
2013
- 2013-08-28 PL PL13832615T patent/PL2891727T3/pl unknown
- 2013-08-28 KR KR1020157004763A patent/KR101683406B1/ko active Active
- 2013-08-28 JP JP2013557955A patent/JP5541428B1/ja active Active
- 2013-08-28 US US14/423,782 patent/US20150225821A1/en not_active Abandoned
- 2013-08-28 CN CN201380044652.9A patent/CN104583445B/zh active Active
- 2013-08-28 TW TW102130791A patent/TWI481730B/zh not_active IP Right Cessation
- 2013-08-28 ES ES13832615T patent/ES2707893T3/es active Active
- 2013-08-28 EP EP13832615.2A patent/EP2891727B1/en active Active
- 2013-08-28 BR BR112015004191-4A patent/BR112015004191B1/pt not_active IP Right Cessation
- 2013-08-28 MX MX2015002530A patent/MX373800B/es active IP Right Grant
- 2013-08-28 IN IN1523DEN2015 patent/IN2015DN01523A/en unknown
- 2013-08-28 WO PCT/JP2013/072989 patent/WO2014034714A1/ja active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| EP2891727A4 (en) | 2016-05-04 |
| ES2707893T3 (es) | 2019-04-05 |
| IN2015DN01523A (cs) | 2015-07-10 |
| PL2891727T3 (pl) | 2019-04-30 |
| KR20150038303A (ko) | 2015-04-08 |
| MX2015002530A (es) | 2015-06-05 |
| US20150225821A1 (en) | 2015-08-13 |
| BR112015004191A2 (pt) | 2017-07-04 |
| CN104583445B (zh) | 2016-10-19 |
| EP2891727A1 (en) | 2015-07-08 |
| BR112015004191B1 (pt) | 2020-03-24 |
| CN104583445A (zh) | 2015-04-29 |
| TW201420776A (zh) | 2014-06-01 |
| EP2891727B1 (en) | 2018-11-07 |
| TWI481730B (zh) | 2015-04-21 |
| JPWO2014034714A1 (ja) | 2016-08-08 |
| KR101683406B1 (ko) | 2016-12-06 |
| WO2014034714A1 (ja) | 2014-03-06 |
| JP5541428B1 (ja) | 2014-07-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| MX373800B (es) | Lámina de acero. | |
| MX2019009701A (es) | Lamina de acero de alta resistencia. | |
| PL2907886T3 (pl) | Blacha stalowa cienka walcowana na gorąco o dużej wytrzymałości mająca maksymalną wytrzymałość na rozciąganie wynoszącą 980 MPa lub więcej oraz mająca doskonałą utwardzalność przy wypalaniu i wiązkość w niskiej temperaturze | |
| MX393963B (es) | Lamina de acero para estampado en caliente, metodo para producir lamina de acero para estampado en caliente, y articulo moldeado por estampado en caliente. | |
| MX2015014099A (es) | Hoja de acero laminada en caliente y metodo de fabricacion de la misma. | |
| MX2019009598A (es) | Lamina de acero de alta resistencia. | |
| PL2762588T3 (pl) | BLACHA STALOWA CIENKA O DUŻEJ WYTRZYMAŁOŚCI CYNKOWANA ZANURZENIOWO NA GORĄCO MAJĄCA DOSKONAŁĄ PODATNOŚĆ NA FORMOWANIE, NISKĄ ANIZOTROPIĘ MATERIAŁU I GRANICZNĄ WYTRZYMAŁOŚĆ NA ROZCIĄGANIE WYNOSZĄCĄ 980 MPa LUB WIĘCEJ, STOPOWA BLACHA STALOWA CIENKA O DUŻEJ WYTRZYMAŁOŚCI CYNKOWANA ZANURZENIOWO NA GORĄCO ORAZ SPOSÓB ICH WYTWARZANIA | |
| MX2022012560A (es) | Lamina de acero de alta resistencia y proceso para producir la misma. | |
| MX337838B (es) | Secuencias de repetidos palindromicos cortos regularmente intercalados agrupados de bifidobacterias. | |
| MX2017003993A (es) | Lamina de acero laminado en frio de alta resistencia y alta formabilidad o banda de acero y metodo para fabricar la misma. | |
| NZ594123A (en) | Saccharomyces cerevisiae strains with phytosanitary capabilities | |
| PL2631314T3 (pl) | Blacha stalowa cienka walcowana na gorąco, walcowana na zimno i powlekana galwanicznie o zwiększonej jednorodnej i miejscowej ciągliwości przy dużej szybkości odkształcenia | |
| EP2602359A4 (en) | STEEL PLATE FOR HOT TREATMENT OPERATIONS AND METHOD FOR THE PRODUCTION OF HOT-STAINLESS STEEL PRODUCTS USING THE STEEL PLATE FOR HOT-TIP PROCESSING | |
| MX2018000109A (es) | Metodo y aparato para fabricar un componente prensado. | |
| MY165826A (en) | Pharmaceutical composition | |
| MX2019003292A (es) | Método para producir un acero de alta resistencia laminado en caliente con conformabilidad del reborde elástico y rendimiento de fatiga del borde excelentes. | |
| MX2018006061A (es) | Lamina de acero laminada en caliente de alta resistencia y metodo de fabricacion de la misma. | |
| MX2017005945A (es) | Barra de acero laminada o material de alambre laminada para componente forjado en frio. | |
| PH12017500557A1 (en) | Steel sheet for cans and method for manufacturing steel sheet for cans | |
| CO2017003327A2 (es) | Hoja de acero para tapa corona y método de producirla | |
| IN2014CN04908A (cs) | ||
| MX2020002418A (es) | Articulo formado por estampado en caliente y metodo y dispositivo para fabricar articulo formado por estampado en caliente. | |
| JP2015078398A5 (ja) | 引張最大強度７８０ＭＰａを有する衝突特性に優れた高強度鋼板、高強度溶融亜鉛めっき鋼板、並びに、高強度合金化溶融亜鉛めっき鋼板とその製造方法 | |
| MY187443A (en) | Method for manufacturing a component of austenitic steel | |
| MX378892B (es) | Placa de acero para conformacion en caliente y metodo de elaboracion de miembro de acero conformado por presion en caliente. |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| HC | Change of company name or juridical status |
Owner name: YOSHINO GYPSUM CO., LTD. |
|
| FG | Grant or registration |