Electrical contact brush,申请号US19540424433-传众专利搜索

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发明名称	Electrical contact brush
摘要
申请公布号	US2813208(A)	申请公布日期	1957.11.12
申请号	US19540424433	申请日期	1954.04.20
申请人	RITTER GEORGE D	发明人	RITTER GEORGE D.
分类号	H01R39/58	主分类号	H01R39/58
代理机构		代理人
主权项
地址

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