Methods for forming contact surfaces,申请号US19550509519-传众专利搜索

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发明名称	Methods for forming contact surfaces
摘要
申请公布号	US2775811(A)	申请公布日期	1957.01.01
申请号	US19550509519	申请日期	1955.05.19
申请人	WILSON JAMES G	发明人	WILSON JAMES G.
分类号	H05B7/103	主分类号	H05B7/103
代理机构		代理人
主权项
地址

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