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发明名称
Improvements in and relating to electric discharge devices
摘要
申请公布号
GB503305(A)
申请公布日期
1939.04.04
申请号
GB19380033075
申请日期
1938.11.14
申请人
THE BRITISH THOMSON-HOUSTON COMPANY, LIMITED
发明人
分类号
H01J35/10
主分类号
H01J35/10
代理机构
代理人
主权项
地址
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