Perfectionnement aux interrupteurs électriques pour lampes,申请号FRD997757-传众专利搜索

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发明名称	Perfectionnement aux interrupteurs électriques pour lampes
摘要
申请公布号	FR997757(A)	申请公布日期	1952.01.10
申请号	FRD997757	申请日期	1949.10.21
申请人		发明人	KAERTNER FREDERIC
分类号	F21V23/04	主分类号	F21V23/04
代理机构		代理人
主权项
地址

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