Perfectionnements aux lampes à incandescence et articles similaires,申请号FRD771643-传众专利搜索

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发明名称	Perfectionnements aux lampes à incandescence et articles similaires
摘要
申请公布号	FR771643(A)	申请公布日期	1934.10.13
申请号	FRD771643	申请日期	1934.04.11
申请人	COMPAGNIE DES LAMPES	发明人
分类号	H01K1/46	主分类号	H01K1/46
代理机构		代理人
主权项
地址

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