Process of drawing steel,申请号US19390295540-传众专利搜索

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发明名称	Process of drawing steel
摘要
申请公布号	US2268525(A)	申请公布日期	1941.12.30
申请号	US19390295540	申请日期	1939.09.18
申请人	AMERICAN LURGI CORPORATION	发明人	ROESNER GERHARD;SCHUSTER LUDWIG;LEY HELMUTH
分类号	B21C9/02;C23C22/50	主分类号	B21C9/02
代理机构		代理人
主权项
地址

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