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发明名称
Electron discharge device electrode
摘要
申请公布号
US2552535(A)
申请公布日期
1951.05.15
申请号
US19490072404
申请日期
1949.01.24
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
发明人
SANTIS VINCENT J. DE;HUNTER FRED L.;MAJKRZAK CHARLES P.
分类号
H01J19/30
主分类号
H01J19/30
代理机构
代理人
主权项
地址
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