Tubes à modulation de vitesse de grande puissance,申请号FRD992853-传众专利搜索

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发明名称	Tubes à modulation de vitesse de grande puissance
摘要
申请公布号	FR992853(A)	申请公布日期	1951.10.24
申请号	FRD992853	申请日期	1944.09.15
申请人	COMPAGNIE GENERALE DE TELEGRAPHIE SANS FIL	发明人
分类号	H01J25/16	主分类号	H01J25/16
代理机构		代理人
主权项
地址

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