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发明名称
Improvements in and relating to devices utilising secondary electron emission
摘要
申请公布号
GB481012(A)
申请公布日期
1938.02.28
申请号
GB19380002185
申请日期
1936.05.27
申请人
THE BRITISH THOMSON-HOUSTON COMPANY LIMITED;DENES GABOR
发明人
分类号
H01J43/04
主分类号
H01J43/04
代理机构
代理人
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