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发明名称
Travelling - wave tube apparatus
摘要
申请公布号
GB1025876(A)
申请公布日期
1966.04.14
申请号
GB19630023874
申请日期
1963.06.14
申请人
VARIAN ASSOCIATES
发明人
分类号
H01J19/36;H01J19/74;H01J23/00;H01J23/26;H01J23/50;H01J25/38
主分类号
H01J19/36
代理机构
代理人
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