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经营范围
发明名称
Gaseous electric discharge device
摘要
申请公布号
US2009201(A)
申请公布日期
1935.07.23
申请号
US19290381036
申请日期
1929.07.25
申请人
GENERAL ELECTRIC COMPANY
发明人
PIRANI MARCELLO;NITSCHKE KURT
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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