Method of forming contacts,申请号US19390295259-传众专利搜索

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发明名称	Method of forming contacts
摘要
申请公布号	US2258992(A)	申请公布日期	1941.10.14
申请号	US19390295259	申请日期	1939.09.16
申请人	CLEVELAND TUNGSTEN, INC.	发明人	MANSFIELD WILLIAM E.
分类号	H01H1/02;H01H11/04	主分类号	H01H1/02
代理机构		代理人
主权项
地址

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