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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
GB471816(A)
申请公布日期
1937.09.10
申请号
GB19360007255
申请日期
1936.03.10
申请人
THE BRITISH THOMSON-HOUSTON COMPANY LIMITED;HENRY DE BOYNE KNIGHT;LEONARD JOHN DAVIES
发明人
分类号
H01J17/30
主分类号
H01J17/30
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代理人
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地址
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