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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
GB390405(A)
申请公布日期
1933.04.06
申请号
GB19320024002
申请日期
1932.08.27
申请人
THE BRITISH THOMSON-HOUSTON COMPANY LIMITED
发明人
分类号
H01J1/22
主分类号
H01J1/22
代理机构
代理人
主权项
地址
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