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发明名称
Electron discharge device and associated circuits
摘要
申请公布号
US2564063(A)
申请公布日期
1951.08.14
申请号
US19450596755
申请日期
1945.05.30
申请人
RADIO CORPORATION OF AMERICA
发明人
HEROLD EDWARD W.
分类号
H01J25/78;H01J31/04;H03D7/22
主分类号
H01J25/78
代理机构
代理人
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