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发明名称
Improvements in electron-guns
摘要
申请公布号
GB915812(A)
申请公布日期
1963.01.16
申请号
GB19590032396
申请日期
1959.09.23
申请人
MULLARD LIMITED
发明人
MURPHY BERNARD THOMAS
分类号
H01J3/02;H01J29/58
主分类号
H01J3/02
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代理人
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