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发明名称
Electron discharge tube
摘要
申请公布号
US2191884(A)
申请公布日期
1940.02.27
申请号
US19370143898
申请日期
1937.05.21
申请人
RADIO CORPORATION OF AMERICA
发明人
GALL BERNARDUS OCTAVIANUS MARIA;HUGENHOLTZ JAN BART
分类号
H01J21/02
主分类号
H01J21/02
代理机构
代理人
主权项
地址
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