Electric contact and brush,申请号US19440562917-传众专利搜索

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发明名称	Electric contact and brush
摘要
申请公布号	US2418710(A)	申请公布日期	1947.04.08
申请号	US19440562917	申请日期	1944.11.10
申请人	P. R. MALLORY & CO., INC.	发明人	HENSEL FRANZ R.
分类号	C22C5/04	主分类号	C22C5/04
代理机构		代理人
主权项
地址

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