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发明名称
Electron discharge device
摘要
申请公布号
US2388289(A)
申请公布日期
1945.11.06
申请号
US19410405938
申请日期
1941.08.08
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
RONEI VICTOR L.
分类号
H01J25/12
主分类号
H01J25/12
代理机构
代理人
主权项
地址
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