Perfectionnements à la fabrication des filaments de lampes,申请号FRD835630-传众专利搜索

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发明名称	Perfectionnements à la fabrication des filaments de lampes
摘要
申请公布号	FR835630(A)	申请公布日期	1938.12.27
申请号	FRD835630	申请日期	1938.03.23
申请人	COMPAGNIE DES LAMPES	发明人
分类号	H01K3/02	主分类号	H01K3/02
代理机构		代理人
主权项
地址

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