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发明名称
Electron discharge device
摘要
申请公布号
US2842713(A)
申请公布日期
1958.07.08
申请号
US19530365816
申请日期
1953.07.03
申请人
RAYTHEON MANUFACTURING COMPANY
发明人
DERBY PALMER P.
分类号
H01J25/587
主分类号
H01J25/587
代理机构
代理人
主权项
地址
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