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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
GB671700(A)
申请公布日期
1952.05.07
申请号
GB19490032113
申请日期
1949.12.14
申请人
THE BRITISH THOMSON-HOUSTON COMPANY, LIMITED
发明人
分类号
H01J17/54
主分类号
H01J17/54
代理机构
代理人
主权项
地址
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