Collector ring brush,申请号US19310514316-传众专利搜索

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法人/股东/高管

发明名称	Collector ring brush
摘要
申请公布号	US1895756(A)	申请公布日期	1933.01.31
申请号	US19310514316	申请日期	1931.02.07
申请人	FULLER FREDERICK P	发明人	FULLER FREDERICK P.
分类号	H01R39/22	主分类号	H01R39/22
代理机构		代理人
主权项
地址

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