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发明名称
IMPROVEMENTS IN OR RELATING TO TRAVELLING WAVE TUBES
摘要
申请公布号
EP0138462(B1)
申请公布日期
1988.02.03
申请号
EP19840306572
申请日期
1984.09.27
申请人
ENGLISH ELECTRIC VALVE COMPANY LIMITED
发明人
COOPER, BRIAN FREDERICK;ESTERSON, MAURICE
分类号
H01J23/04;(IPC1-7):H01J23/04
主分类号
H01J23/04
代理机构
代理人
主权项
地址
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