Electrical contact device,申请号US19440558942-传众专利搜索

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发明名称	Electrical contact device
摘要
申请公布号	US2497568(A)	申请公布日期	1950.02.14
申请号	US19440558942	申请日期	1944.10.16
申请人	THACKER RALPH S	发明人	THACKER RALPH S.
分类号	H01R13/18	主分类号	H01R13/18
代理机构		代理人
主权项
地址

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