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发明名称
Electron discharge device
摘要
申请公布号
US2818528(A)
申请公布日期
1957.12.31
申请号
US19560610172
申请日期
1956.09.17
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
FEINSTEIN JOSEPH
分类号
H01J23/05
主分类号
H01J23/05
代理机构
代理人
主权项
地址
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