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发明名称
Improvements relating to electron-beam discharge tubes
摘要
申请公布号
GB872170(A)
申请公布日期
1961.07.05
申请号
GB19560034445
申请日期
1956.11.10
申请人
FERRANTI, LIMITED
发明人
PICKIN JOHN ROBERT;PHILLIPS RONALD DAWSON
分类号
H01J3/02;H01J23/06
主分类号
H01J3/02
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代理人
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