Perfectionnements aux lignes à retard pour carcinotron,申请号FRD1074017-传众专利搜索

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发明名称	Perfectionnements aux lignes à retard pour carcinotron
摘要
申请公布号	FR1074017(A)	申请公布日期	1954.09.30
申请号	FRD1074017	申请日期	1952.12.20
申请人	COMPAGNIE GENERALE DE TELEGRAPHIE SANS FIL	发明人
分类号	H01J25/40	主分类号	H01J25/40
代理机构		代理人
主权项
地址

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