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发明名称
Improvements in electric discharge devices
摘要
申请公布号
GB536928(A)
申请公布日期
1941.05.30
申请号
GB19400005084
申请日期
1940.03.19
申请人
THE GENERAL ELECTRIC COMPANY LIMITED;MARCELLO PIRANI
发明人
分类号
H01J61/54
主分类号
H01J61/54
代理机构
代理人
主权项
地址
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