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发明名称
Electron discharge device
摘要
申请公布号
US2460402(A)
申请公布日期
1949.02.01
申请号
US19450614692
申请日期
1945.09.06
申请人
RADIO CORPORATION OF AMERICA
发明人
SZIKLAI GEORGE C.
分类号
H01J25/10
主分类号
H01J25/10
代理机构
代理人
主权项
地址
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