Perfectionnements aux rhéostats électriques,申请号FRD954050-传众专利搜索

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发明名称	Perfectionnements aux rhéostats électriques
摘要
申请公布号	FR954050(A)	申请公布日期	1949.12.16
申请号	FRD954050	申请日期	1947.09.25
申请人		发明人	SAURET MAURICE
分类号	H01C10/24	主分类号	H01C10/24
代理机构		代理人
主权项
地址

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