Improvements in and relating to the cold drawing of metal,申请号GB19310006965-传众专利搜索

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发明名称	Improvements in and relating to the cold drawing of metal
摘要
申请公布号	GB367198(A)	申请公布日期	1932.02.18
申请号	GB19310006965	申请日期	1931.03.06
申请人	ELECTRO METALLURGICAL COMPANY	发明人
分类号	B21C9/02	主分类号	B21C9/02
代理机构		代理人
主权项
地址

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