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发明名称
Electron discharge device
摘要
申请公布号
US2352635(A)
申请公布日期
1944.07.04
申请号
US19420470809
申请日期
1942.12.31
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
IRWIN JOHN C.
分类号
H01J21/06
主分类号
H01J21/06
代理机构
代理人
主权项
地址
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