Perfectionnement aux tubes à faisceau cathodique,申请号FRD54415-传众专利搜索

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发明名称	Perfectionnement aux tubes à faisceau cathodique
摘要
申请公布号	FR54415(E)	申请公布日期	1950.05.02
申请号	FRD54415	申请日期	1946.01.10
申请人	COMPAGNIE FRANCAISE THOMSON-HOUSTON	发明人
分类号	H01J5/24;H01J5/26;H01J9/26;H01J29/92	主分类号	H01J5/24
代理机构		代理人
主权项
地址

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