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发明名称
Improvements in electric discharge devices
摘要
申请公布号
GB351579(A)
申请公布日期
1931.07.02
申请号
GB19300010444
申请日期
1930.04.02
申请人
THE GENERAL ELECTRIC COMPANY LIMITED;JOHN WALTER RYDE;HENRY GRAINGER JENKINS
发明人
分类号
H01J61/28
主分类号
H01J61/28
代理机构
代理人
主权项
地址
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