Tube à modulation de vitesse muni d'une cavité dont les rentrants sont placés dans un champ magnétique radial,申请号FRD999485-传众专利搜索

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发明名称	Tube à modulation de vitesse muni d'une cavité dont les rentrants sont placés dans un champ magnétique radial
摘要
申请公布号	FR999485(A)	申请公布日期	1952.01.31
申请号	FRD999485	申请日期	1949.10.27
申请人	COMPAGNIE GENERALE DE TELEGRAPHIE SANS FIL	发明人
分类号	H01J25/10	主分类号	H01J25/10
代理机构		代理人
主权项
地址

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