Method for the production of columbium containing steel,申请号US19470792858-传众专利搜索

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发明名称	Method for the production of columbium containing steel
摘要
申请公布号	US2482948(A)	申请公布日期	1949.09.27
申请号	US19470792858	申请日期	1947.12.19
申请人	DORIS WRIGHT;THOS. FIRTH & JOHN BROWN LIMITED	发明人	SYKES CHARLES
分类号	C22C38/12	主分类号	C22C38/12
代理机构		代理人
主权项
地址

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