Perfectionnements apportés aux tubes à décharge électrique et aux lampes à incandescence,申请号FRD903188-传众专利搜索

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发明名称	Perfectionnements apportés aux tubes à décharge électrique et aux lampes à incandescence
摘要
申请公布号	FR903188(A)	申请公布日期	1945.09.26
申请号	FRD903188	申请日期	1944.04.04
申请人	N. V. PHILIPS' GLOEILAMPENFABRIEKEN	发明人
分类号	C03C27/04;H01J5/08	主分类号	C03C27/04
代理机构		代理人
主权项
地址

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