Method of working metal,申请号US19610112664-传众专利搜索

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发明名称	Method of working metal
摘要
申请公布号	US3138864(A)	申请公布日期	1964.06.30
申请号	US19610112664	申请日期	1961.05.25
申请人	COEN ALDO L	发明人	COEN ALDO L.
分类号	B21D51/02;B21D53/00	主分类号	B21D51/02
代理机构		代理人
主权项
地址

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