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发明名称
Electron discharge device
摘要
申请公布号
GB980931(A)
申请公布日期
1965.01.20
申请号
GB19620021764
申请日期
1962.06.05
申请人
RADIO CORPORATION OF AMERICA
发明人
分类号
H01J19/38;H01J19/42
主分类号
H01J19/38
代理机构
代理人
主权项
地址
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