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发明名称
Improvements in or relating to electron beam receiving electrodes
摘要
申请公布号
GB819682(A)
申请公布日期
1959.09.09
申请号
GB19570003110
申请日期
1957.01.29
申请人
ENGLISH ELECTRIC VALVE COMPANY LIMITED
发明人
ROACH RICHARD GREVILLE
分类号
H01J23/027
主分类号
H01J23/027
代理机构
代理人
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