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发明名称
Device comprising an electric discharge tube of the electron-beam type
摘要
申请公布号
US2754375(A)
申请公布日期
1956.07.10
申请号
US19510234484
申请日期
1951.06.30
申请人
HARTFORD NATIONAL BANK AND TRUST COMPANY
发明人
VAN ADRIANUS JOHANNES WILHELMUS MARIE;JONKER JOHAN LODEWIJK HENDRIK
分类号
H01J31/04
主分类号
H01J31/04
代理机构
代理人
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