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C21D6/008
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CHEMISTRY METALLURGY
C21
Iron metallurgy
C21D
MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHER TREATMENTS
C21D6/00
Heat treatment of ferrous alloys
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C21D6/008
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last 30 patents
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Patent Grant
Duplex stainless steel and method for manufacturing same, and duple...
Patent number
12,264,376
Issue date
Apr 1, 2025
JFE Steel Corporation
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C21 - METALLURGY OF IRON
Information
Patent Grant
Rail and method of manufacturing rail
Patent number
12,264,373
Issue date
Apr 1, 2025
Nippon Steel Corporation
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Non-oriented electrical steel sheet and method for producing same
Patent number
12,264,377
Issue date
Apr 1, 2025
POSCO Co., Ltd
June Soo Park
C21 - METALLURGY OF IRON
Information
Patent Grant
High-strength steel sheet and method for producing same
Patent number
12,258,646
Issue date
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JFE Steel Corporation
Hidekazu Minami
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Steel sheet, member, and methods for manufacturing the same
Patent number
12,258,647
Issue date
Mar 25, 2025
JFE Steel Corporation
Yusuke Wada
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method for producing thermo-mechanically produced profiled hot-roll...
Patent number
12,258,648
Issue date
Mar 25, 2025
voestapline Stahl GmbH
Wolfgang Ernst
C21 - METALLURGY OF IRON
Information
Patent Grant
Hot-rolled steel sheet having excellent impact resistance, steel pi...
Patent number
12,258,657
Issue date
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POSCO Co., Ltd
Hwan-Goo Seong
C21 - METALLURGY OF IRON
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Patent Grant
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Patent number
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Issue date
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ThyssenKrupp Steel Europe AG
Janko Banik
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
High strength steel sheet having excellent workability and method f...
Patent number
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Issue date
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POSCO Co., Ltd
Jae-Hoon Lee
C21 - METALLURGY OF IRON
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Patent Grant
Rail
Patent number
12,247,358
Issue date
Mar 11, 2025
Nippon Steel Corporation
Masaharu Ueda
C21 - METALLURGY OF IRON
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Patent Grant
Steel sheet and method for producing same
Patent number
12,247,263
Issue date
Mar 11, 2025
Nippon Steel Corporation
Kohichi Sano
C21 - METALLURGY OF IRON
Information
Patent Grant
Hot-dip Zn-based plated steel sheet
Patent number
12,247,293
Issue date
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Nippon Steel Corporation
Takuya Mitsunobu
C21 - METALLURGY OF IRON
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Patent Grant
Razor blade and composition for a razor blade
Patent number
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Issue date
Mar 4, 2025
Edgewell Personal Care Brands, LLC
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Patent Grant
Wear resistant steel material with excellent cut crack resistance a...
Patent number
12,241,138
Issue date
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Posco
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C21 - METALLURGY OF IRON
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Patent Grant
High-strength cold-rolled steel sheet and production method for same
Patent number
12,241,137
Issue date
Mar 4, 2025
JFE Steel Corporation
Yoshie Obata
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Electric resistance welded steel pipe or tube
Patent number
12,234,524
Issue date
Feb 25, 2025
JFE Steel Corporation
Yoshikazu Kawabata
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Patent Grant
Martensitic stainless steel seamless pipe for oil country tubular g...
Patent number
12,234,525
Issue date
Feb 25, 2025
JFE Steel Corporation
Mami Endo
C21 - METALLURGY OF IRON
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Patent Grant
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Patent number
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Issue date
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Samuel McAlpine
B22 - CASTING POWDER METALLURGY
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Method for controlling carbide network in a bearing steel wire rod...
Patent number
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Issue date
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JIANGYIN XINGCHENG GOLD MATERIALS CO., LTD
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C21 - METALLURGY OF IRON
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Patent Grant
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Patent number
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Issue date
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JFE Steel Corporation
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C21 - METALLURGY OF IRON
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Patent Grant
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Patent number
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Issue date
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POSCO HOLDINGS INC.
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C21 - METALLURGY OF IRON
Information
Patent Grant
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Patent number
12,234,523
Issue date
Feb 25, 2025
JFE Steel Corporation
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C21 - METALLURGY OF IRON
Information
Patent Grant
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Patent number
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Issue date
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JFE Steel Corporation
Mitsuhiro Okatsu
C21 - METALLURGY OF IRON
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Patent Grant
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Patent number
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Issue date
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PROTERIAL, LTD.
Daichi Azuma
C21 - METALLURGY OF IRON
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Patent Grant
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Patent number
12,227,815
Issue date
Feb 18, 2025
JFE Steel Corporation
Masao Yuga
C21 - METALLURGY OF IRON
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Patent Grant
Steel
Patent number
12,227,817
Issue date
Feb 18, 2025
Nippon Steel Corporation
Shinichiro Tabata
C21 - METALLURGY OF IRON
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Patent Grant
Steel material for line pipes, method for producing the same, line...
Patent number
12,227,814
Issue date
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JFE Steel Corporation
Kyono Yasuda
C21 - METALLURGY OF IRON
Information
Patent Grant
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Patent number
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Issue date
Feb 11, 2025
POSCO Co., Ltd
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C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Martensitic stainless steel seamless pipe for oil country tubular g...
Patent number
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Issue date
Feb 11, 2025
JFE Steel Corporation
Mami Endo
C21 - METALLURGY OF IRON
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Patent Grant
Ultrahigh-strength steel having excellent cold workability and SSC...
Patent number
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Issue date
Feb 11, 2025
POSCO Co., Ltd
Dae-Woo Kim
C21 - METALLURGY OF IRON
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last 30 patents
Information
Patent Application
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Publication number
20250101561
Publication date
Mar 27, 2025
JFE STEEL CORPORATION
Takeshi IMAMURA
C21 - METALLURGY OF IRON
Information
Patent Application
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Publication number
20250101541
Publication date
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B22 - CASTING POWDER METALLURGY
Information
Patent Application
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Publication number
20250101542
Publication date
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C21 - METALLURGY OF IRON
Information
Patent Application
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Publication number
20250101540
Publication date
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INSTITUTE OF RESEARCH OF IRON AND STEEL, JIANGSU PROVINCE/SHA-STEEL, CO. LTD...
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B22 - CASTING POWDER METALLURGY
Information
Patent Application
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Publication number
20250092481
Publication date
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Kuo-Cheng YANG
C21 - METALLURGY OF IRON
Information
Patent Application
ULTRA-HIGH STRENGTH COLD-ROLLED STEEL SHEET AND MANUFACTURING METHO...
Publication number
20250092482
Publication date
Mar 20, 2025
HYUNDAI STEEL COMPANY
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C21 - METALLURGY OF IRON
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING SAME
Publication number
20250092483
Publication date
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HYUNDAI STEEL COMPANY
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C21 - METALLURGY OF IRON
Information
Patent Application
HOT-ROLLED, LOW-TEMPERATURE-RESISTANT, H-SHAPED STEEL WITH GRADE OF...
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20250092480
Publication date
Mar 20, 2025
SHANDONG IRON AND STEEL COMPANY LTD.
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B22 - CASTING POWDER METALLURGY
Information
Patent Application
HOT STAMPING COMPONENT AND MANUFACTURING METHOD THEREFOR
Publication number
20250092485
Publication date
Mar 20, 2025
HYUNDAI STEEL COMPANY
Min Ho Jang
C21 - METALLURGY OF IRON
Information
Patent Application
PLATED STEEL SHEET HAVING EXCELLENT STRENGTH, FORMABILITY AND SURFA...
Publication number
20250092484
Publication date
Mar 20, 2025
POSCO CO., LTD.
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C21 - METALLURGY OF IRON
Information
Patent Application
LOW-CARBON, LOW-ALLOY AND HIGH-FORMABILITY DUAL-PHASE STEEL HAVING...
Publication number
20250084500
Publication date
Mar 13, 2025
Baoshan Iron & Steel Co., Ltd
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C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
HOT STAMPED BODY
Publication number
20250084518
Publication date
Mar 13, 2025
NIPPON STEEL CORPORATION
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B22 - CASTING POWDER METALLURGY
Information
Patent Application
ULTRA-HIGH STRENGTH GALVANIZED STEEL SHEET WITH EXCELLENT WELDABILI...
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20250075286
Publication date
Mar 6, 2025
HYUNDAI STEEL COMPANY
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C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
PRESS HARDENING STEEL (PHS) WELDED BLANKS WITH ENHANCED TOUGHNESS
Publication number
20250075282
Publication date
Mar 6, 2025
GM GLOBAL TECHNOLOGY OPERATIONS LLC
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING SAME
Publication number
20250075284
Publication date
Mar 6, 2025
POSCO CO., LTD
Soobin Kwon
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET AND METHOD OF PRODUCTION OF SAME
Publication number
20250075283
Publication date
Mar 6, 2025
NIPPON STEEL CORPORATION
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C21 - METALLURGY OF IRON
Information
Patent Application
AUSTENITIC STAINLESS STEEL AND METHOD FOR PRODUCING AUSTENITIC STAI...
Publication number
20250066869
Publication date
Feb 27, 2025
NIPPON STEEL STAINLESS STEEL CORPORATION
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C21 - METALLURGY OF IRON
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET AND MOTOR CORE COMPRISING SAME
Publication number
20250066892
Publication date
Feb 27, 2025
POSCO CO., LTD
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C21 - METALLURGY OF IRON
Information
Patent Application
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20250066868
Publication date
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GM GLOBAL TECHNOLOGY OPERATIONS LLC
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C21 - METALLURGY OF IRON
Information
Patent Application
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Publication number
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Publication date
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POSCO CO., LTD
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C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
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Publication number
20250059616
Publication date
Feb 20, 2025
POSCO CO., LTD
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C21 - METALLURGY OF IRON
Information
Patent Application
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Publication number
20250059618
Publication date
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POSCO CO., LTD
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C21 - METALLURGY OF IRON
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Patent Application
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Publication number
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Publication date
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voestalpine Grobblech GmbH
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C21 - METALLURGY OF IRON
Information
Patent Application
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20250051870
Publication date
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POSCO CO., LTD
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C21 - METALLURGY OF IRON
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Patent Application
GRAIN ORIENTED ELECTRICAL STEEL SHEET AND MANUFACTURING METHOD OF SAME
Publication number
20250051871
Publication date
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POSCO Co., Ltd
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C21 - METALLURGY OF IRON
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Patent Application
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Publication date
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POSCO Co., Ltd
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C21 - METALLURGY OF IRON
Information
Patent Application
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Publication number
20250051888
Publication date
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POSCO CO., LTD
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C21 - METALLURGY OF IRON
Information
Patent Application
FERRITIC FREE-CUTTING STAINLESS STEEL
Publication number
20250051874
Publication date
Feb 13, 2025
DAIDO STEEL CO., LTD.
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C21 - METALLURGY OF IRON
Information
Patent Application
NI-FREE MICRO-ALLOYED HIGH-STRENGTH STEEL WITH ULTRA-LOW TEMPERATUR...
Publication number
20250043375
Publication date
Feb 6, 2025
WUHAN UNIVERSITY OF SCIENCE AND TECHNOLOGY
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C21 - METALLURGY OF IRON
Information
Patent Application
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Publication number
20250043381
Publication date
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C21 - METALLURGY OF IRON