Method for preparing iron and steel,申请号US19370128542-传众专利搜索

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发明名称	Method for preparing iron and steel
摘要
申请公布号	US2107980(A)	申请公布日期	1938.02.08
申请号	US19370128542	申请日期	1937.03.01
申请人	JOHN ELIAN	发明人	ELIAN JOHN
分类号	C21B13/00;C21B13/10;C21B13/14	主分类号	C21B13/00
代理机构		代理人
主权项
地址

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