Perfectionnements aux lampes électriques portatives,申请号FRD791549-传众专利搜索

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发明名称	Perfectionnements aux lampes électriques portatives
摘要
申请公布号	FR791549(A)	申请公布日期	1935.12.12
申请号	FRD791549	申请日期	1934.09.15
申请人	PILES & ACCUMULATEURS ELER	发明人
分类号	F21L4/00;F21V19/02	主分类号	F21L4/00
代理机构		代理人
主权项
地址

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