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发明名称
Electron discharge tube
摘要
申请公布号
US2270159(A)
申请公布日期
1942.01.13
申请号
US19390294168
申请日期
1939.09.09
申请人
GENERAL ELECTRIC COMPANY
发明人
BARTELINK EVERHARD H. B.
分类号
H01J19/42
主分类号
H01J19/42
代理机构
代理人
主权项
地址
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