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发明名称
Improvements in and relating to electron discharge devices
摘要
申请公布号
GB424610(A)
申请公布日期
1935.02.25
申请号
GB19340023876
申请日期
1934.08.18
申请人
THE BRITISH THOMSON-HOUSTON COMPANY, LIMITED
发明人
分类号
H01J17/04
主分类号
H01J17/04
代理机构
代理人
主权项
地址
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