Perfectionnements apportés aux lampes à luminescence,申请号FRD678289-传众专利搜索

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发明名称	Perfectionnements apportés aux lampes à luminescence
摘要
申请公布号	FR678289(A)	申请公布日期	1930.03.20
申请号	FRD678289	申请日期	1929.07.11
申请人	COMPAGNIE FRANCAISE POUR L'EXPLOITATION DES PROCEDES THOMSON-HOUSTON	发明人
分类号	H01J17/40	主分类号	H01J17/40
代理机构		代理人
主权项
地址

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