Perfectionnements apportés aux lampes électriques à incandescence et aux tubes àdécharges,申请号FRD840585-传众专利搜索

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发明名称	Perfectionnements apportés aux lampes électriques à incandescence et aux tubes àdécharges
摘要
申请公布号	FR840585(A)	申请公布日期	1939.04.27
申请号	FRD840585	申请日期	1938.07.12
申请人	N. V. PHILIPS' GLOEILAMPENFABRIEKEN	发明人
分类号	H01J9/42	主分类号	H01J9/42
代理机构		代理人
主权项
地址

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