Perfectionnement aux dispositifs d'éclairage semi-indirect pour lampes portatives,申请号FRD898940-传众专利搜索

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发明名称	Perfectionnement aux dispositifs d'éclairage semi-indirect pour lampes portatives
摘要
申请公布号	FR898940(A)	申请公布日期	1945.05.11
申请号	FRD898940	申请日期	1942.01.28
申请人	COMPAGNIE DES LAMPES	发明人
分类号	F21S13/00	主分类号	F21S13/00
代理机构		代理人
主权项
地址

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