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发明名称
Electron-emitting surfaces and methods of making them
摘要
申请公布号
GB842894(A)
申请公布日期
1960.07.27
申请号
GB19560034562
申请日期
1956.11.12
申请人
RADIO CORPORATION OF AMERICA
发明人
分类号
H01J1/34;H01J9/12;H01J29/38
主分类号
H01J1/34
代理机构
代理人
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地址
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