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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
GB411239(A)
申请公布日期
1934.06.07
申请号
GB19330005618
申请日期
1933.02.23
申请人
INTERNATIONAL GENERAL ELECTRIC COMPANY INCORPORATED
发明人
分类号
H01J17/26
主分类号
H01J17/26
代理机构
代理人
主权项
地址
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