Lampe électrique de mineur,申请号FRD1014067-传众专利搜索

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发明名称	Lampe électrique de mineur
摘要
申请公布号	FR1014067(A)	申请公布日期	1952.08.08
申请号	FRD1014067	申请日期	1950.03.08
申请人	FRIEMANN & WOLF G. M. B. H.	发明人
分类号	F21V37/00	主分类号	F21V37/00
代理机构		代理人
主权项
地址

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