High frequency velocity modulation electron discharge device having replaceable beam forming and projecting assemblies,申请号GB19640049512-传众专利搜索

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发明名称	High frequency velocity modulation electron discharge device having replaceable beam forming and projecting assemblies
摘要
申请公布号	GB1057009(A)	申请公布日期	1967.02.01
申请号	GB19640049512	申请日期	1964.12.04
申请人	VARIAN ASSOCIATES	发明人
分类号	H01J25/12;H01J25/38	主分类号	H01J25/12
代理机构		代理人
主权项
地址

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