Tube amplificateur et oscillateur pour ultra hautes fréquences,申请号FRD977263-传众专利搜索

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发明名称	Tube amplificateur et oscillateur pour ultra hautes fréquences
摘要
申请公布号	FR977263(A)	申请公布日期	1951.03.29
申请号	FRD977263	申请日期	1948.11.04
申请人	COMPAGNIE GENERALE DE TELEGRAPHIE SANS FIL	发明人
分类号	H01J21/06	主分类号	H01J21/06
代理机构		代理人
主权项
地址

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