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经营范围
发明名称
Improvements in electric discharge devices
摘要
申请公布号
GB410700(A)
申请公布日期
1934.05.24
申请号
GB19330034457
申请日期
1933.12.07
申请人
THE GENERAL ELECTRIC COMPANY LIMITED
发明人
分类号
H01J61/96
主分类号
H01J61/96
代理机构
代理人
主权项
地址
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