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发明名称
Discharge device
摘要
申请公布号
US2210816(A)
申请公布日期
1940.08.06
申请号
US19390254156
申请日期
1939.02.02
申请人
GENERAL ELECTRIC COMPANY
发明人
MILES LAWRENCE D.
分类号
H01J13/06;H01J13/48
主分类号
H01J13/06
代理机构
代理人
主权项
地址
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