Dispositif de récupération ou de concentration du flux direct dans les projecteurs, notamment les projecteurs d'automobiles,申请号FRD770599-传众专利搜索

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发明名称	Dispositif de récupération ou de concentration du flux direct dans les projecteurs, notamment les projecteurs d'automobiles
摘要
申请公布号	FR770599(A)	申请公布日期	1934.09.17
申请号	FRD770599	申请日期	1934.03.23
申请人	MARCHAL	发明人
分类号	F21V7/00	主分类号	F21V7/00
代理机构		代理人
主权项
地址

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