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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
GB451508(A)
申请公布日期
1936.08.06
申请号
GB19350003850
申请日期
1935.02.06
申请人
THE BRITISH THOMSON-HOUSTON COMPANY LIMITED;FRANK PERCY WHITAKER
发明人
分类号
H01J13/20
主分类号
H01J13/20
代理机构
代理人
主权项
地址
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