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经营范围
发明名称
Improvements in and relating to electric discharge devices
摘要
申请公布号
GB505474(A)
申请公布日期
1939.05.11
申请号
GB19380026848
申请日期
1938.09.14
申请人
THE BRITISH THOMSON-HOUSTON COMPANY, LIMITED
发明人
分类号
H01J13/02
主分类号
H01J13/02
代理机构
代理人
主权项
地址
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