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发明名称
Photocathode
摘要
申请公布号
US2244720(A)
申请公布日期
1941.06.10
申请号
US19400326388
申请日期
1940.03.28
申请人
RADIO CORPORATION OF AMERICA
发明人
MASSES ERNEST A.;PIKE EUGENS W.
分类号
H01J9/12;H01J29/38;H01J31/50;H01J40/06
主分类号
H01J9/12
代理机构
代理人
主权项
地址
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