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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
GB618180(A)
申请公布日期
1949.02.17
申请号
GB19460032271
申请日期
1946.10.30
申请人
THE BRITISH THOMSON-HOUSTON COMPANY LIMITED
发明人
分类号
H01J19/38
主分类号
H01J19/38
代理机构
代理人
主权项
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