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发明名称
Electron tube
摘要
申请公布号
GB1137772(A)
申请公布日期
1968.12.27
申请号
GB19660013608
申请日期
1966.03.28
申请人
RADIO CORPORATION OF AMERICA
发明人
分类号
H01J1/94;H01J19/42
主分类号
H01J1/94
代理机构
代理人
主权项
地址
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