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发明名称
TRAVELLING WAVE TUBES WITH FREQUENCY-SELECTIVE DAMPING MEANS
摘要
申请公布号
GB2038545(B)
申请公布日期
1983.02.16
申请号
GB19790044169
申请日期
1979.12.21
申请人
SIEMENS AG
发明人
分类号
H01J23/30;(IPC1-7):H01J23/30
主分类号
H01J23/30
代理机构
代理人
主权项
地址
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