Perfectionnements aux tubes à rayons cathodiques,申请号FRD1021531-传众专利搜索

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发明名称	Perfectionnements aux tubes à rayons cathodiques
摘要
申请公布号	FR1021531(A)	申请公布日期	1953.02.19
申请号	FRD1021531	申请日期	1950.07.05
申请人	LA RADIOTECHNIQUE	发明人	DROCHE ELIE
分类号	H01J29/84	主分类号	H01J29/84
代理机构		代理人
主权项
地址

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