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发明名称
Discharge device
摘要
申请公布号
US2284341(A)
申请公布日期
1942.05.26
申请号
US19400368927
申请日期
1940.12.06
申请人
GENERAL ELECTRIC COMPANY
发明人
POLLOCK HERBERT C.
分类号
H01J5/06
主分类号
H01J5/06
代理机构
代理人
主权项
地址
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