Lampe électrique de mineur,申请号FRD899839-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	FR899839(A)	申请公布日期	1945.06.12
申请号	FRD899839	申请日期	1943.11.17
申请人	DOMINITWERKE G. M. B. H.	发明人
分类号	F21L4/00	主分类号	F21L4/00
代理机构		代理人
主权项
地址

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