Perfectionnement aux tubes commutateurs émission-réception,申请号FRD1037734-传众专利搜索

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发明名称	Perfectionnement aux tubes commutateurs émission-réception
摘要
申请公布号	FR1037734(A)	申请公布日期	1953.09.22
申请号	FRD1037734	申请日期	1951.05.26
申请人	COMPAGNIE GENERALE DE TELEGRAPHIE SANS FIL	发明人
分类号	H01J17/04	主分类号	H01J17/04
代理机构		代理人
主权项
地址

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