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发明名称
Improvements in or relating to bases for electron discharge and similar devices
摘要
申请公布号
GB584409(A)
申请公布日期
1947.01.14
申请号
GB19440020568
申请日期
1944.10.24
申请人
RONALD HENRY COLBORNE;EDWARD JAMES CHARLES BOWMAKER
发明人
分类号
H01J9/32;H01J19/66
主分类号
H01J9/32
代理机构
代理人
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