Rotor à contacts frottants pour machines et appareils électriques,申请号FRD877214-传众专利搜索

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发明名称	Rotor à contacts frottants pour machines et appareils électriques
摘要
申请公布号	FR877214(A)	申请公布日期	1942.12.01
申请号	FRD877214	申请日期	1940.10.17
申请人	SOCIETE ANONYME BROWN, BOVERI & COMPAGNIE	发明人
分类号	H02K31/02	主分类号	H02K31/02
代理机构		代理人
主权项
地址

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