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Beijing, CN
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Patents Grants
last 30 patents
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Patent Grant
Method of producing fine-grained martensitic stainless steel
Patent number
7,470,336
Issue date
Dec 30, 2008
Advanced Steel Technology LLC
Robert F. Buck
C21 - METALLURGY OF IRON
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Patent Grant
Fine-grained martensitic stainless steel and method thereof
Patent number
6,899,773
Issue date
May 31, 2005
Advanced Steel Technology, LLC
Robert F. Buck
C21 - METALLURGY OF IRON
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Patent Grant
Fine-grained martensitic stainless steel and method thereof
Patent number
6,890,393
Issue date
May 10, 2005
Advanced Steel Technology, LLC
Robert F. Buck
C21 - METALLURGY OF IRON
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Patents Applications
last 30 patents
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Patent Application
High-Strenth Low-Carbon Bainitic Fire-Resistant Steel And Preparati...
Publication number
20210395849
Publication date
Dec 23, 2021
Central Iron & Steel Research Institute
Zhongmin Yang
C21 - METALLURGY OF IRON
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Patent Application
FINE-GRAINED MARTENSITIC STAINLESS STEEL AND METHOD THEREOF
Publication number
20080073005
Publication date
Mar 27, 2008
ADVANCED STEEL TECHNOLOGY LLC
Robert F. Buck
C21 - METALLURGY OF IRON
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last 30 trademarks
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Trademark
76403107 - A-21
Serial number
76403107
Registration number
2704287
Filing date
May 1, 2002
Advanced Steel Technology, LLC
6 - Common metals and their alloys