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发明名称
Manufacture of electron discharge devices having cathodes
摘要
申请公布号
GB1076258(A)
申请公布日期
1967.07.19
申请号
GB19640026332
申请日期
1964.06.25
申请人
RADIO CORPORATION OF AMERICA
发明人
分类号
H01J9/04
主分类号
H01J9/04
代理机构
代理人
主权项
地址
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