Bright copper plating,申请号US19410387859-传众专利搜索

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发明名称	Bright copper plating
摘要
申请公布号	US2347448(A)	申请公布日期	1944.04.25
申请号	US19410387859	申请日期	1941.04.10
申请人	E. I. DU PONT DE NEMOURS & COMPANY	发明人	WERNLUND CHRISTIAN J.
分类号	C25D3/40	主分类号	C25D3/40
代理机构		代理人
主权项
地址

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