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发明名称
Electron discharge devices
摘要
申请公布号
US2919380(A)
申请公布日期
1959.12.29
申请号
US19570673694
申请日期
1957.07.23
申请人
PHILCO CORPORATION
发明人
BARNETT GUY F.
分类号
H01J29/94
主分类号
H01J29/94
代理机构
代理人
主权项
地址
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