Lampe électrique à lueur cathodique de la grandeur des lampes miniatures,申请号FRD834770-传众专利搜索

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发明名称	Lampe électrique à lueur cathodique de la grandeur des lampes miniatures
摘要
申请公布号	FR834770(A)	申请公布日期	1938.12.01
申请号	FRD834770	申请日期	1938.03.04
申请人	OSA PARTICIPATIONS INDUSTRIELLES, SOC. AN.	发明人
分类号		主分类号
代理机构		代理人
主权项
地址

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