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发明名称
Electric ionization device
摘要
申请公布号
US1747050(A)
申请公布日期
1930.02.11
申请号
US19260084466
申请日期
1926.01.28
申请人
GENERAL ELECTRIC COMPANY
发明人
CHARLTON ERNEST E.
分类号
H01J17/04;H01J17/30
主分类号
H01J17/04
代理机构
代理人
主权项
地址
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