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发明名称
Electron discharge device for very high frequencies
摘要
申请公布号
US3254260(A)
申请公布日期
1966.05.31
申请号
US19630330831
申请日期
1963.12.16
申请人
NORTH AMERICAN PHILIPS COMPANY, INC.
发明人
TOL HENDRIKUS JOHANNES MARIE VAN
分类号
H01J19/28;H01J19/40;H01J19/42
主分类号
H01J19/28
代理机构
代理人
主权项
地址
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