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发明名称
Ultrahigh-frequency electron discharge apparatus
摘要
申请公布号
US2579480(A)
申请公布日期
1951.12.25
申请号
US19470770637
申请日期
1947.08.26
申请人
THE SPERRY CORPORATION
发明人
FEENBERG EUGENE
分类号
H01J25/12
主分类号
H01J25/12
代理机构
代理人
主权项
地址
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