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发明名称
Improvements in electron discharge tubes
摘要
申请公布号
GB686593(A)
申请公布日期
1953.01.28
申请号
GB19490018352
申请日期
1949.07.12
申请人
RUDOLF KOMPFNER;KENNETH MAXWELL POOLE;JOHN BUCKINGHAM
发明人
分类号
H01J25/38
主分类号
H01J25/38
代理机构
代理人
主权项
地址
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