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发明名称
Improvements relating to the control of electronic rays
摘要
申请公布号
GB499848(A)
申请公布日期
1939.01.30
申请号
GB19370011695
申请日期
1937.04.23
申请人
THE BRITISH THOMSON-HOUSTON COMPANY, LIMITED
发明人
分类号
H01J29/60
主分类号
H01J29/60
代理机构
代理人
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