Perfectionnements aux contacts frottants de machines électriques,申请号FRD981458-传众专利搜索

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发明名称	Perfectionnements aux contacts frottants de machines électriques
摘要
申请公布号	FR981458(A)	申请公布日期	1951.05.28
申请号	FRD981458	申请日期	1943.04.13
申请人	LE CARBONE-LORRAINE	发明人
分类号	H02K13/14	主分类号	H02K13/14
代理机构		代理人
主权项
地址

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