Perfectionnements aux lampes à incandescence et à leurs supports, notamment pour projecteurs,申请号FRD50610-传众专利搜索

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发明名称	Perfectionnements aux lampes à incandescence et à leurs supports, notamment pour projecteurs
摘要
申请公布号	FR50610(E)	申请公布日期	1941.01.27
申请号	FRD50610	申请日期	1939.05.13
申请人	LAMPE YVEL	发明人
分类号	H01J9/30;H01J19/66;H01R33/46	主分类号	H01J9/30
代理机构		代理人
主权项
地址

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