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发明名称
Electron discharge device
摘要
申请公布号
US2669609(A)
申请公布日期
1954.02.16
申请号
US19480057428
申请日期
1948.10.30
申请人
RADIO CORPORATION OF AMERICA
发明人
LINDER ERNEST G.
分类号
H01J17/32
主分类号
H01J17/32
代理机构
代理人
主权项
地址
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