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发明名称
Improvements relating to electron gun assemblies
摘要
申请公布号
GB929849(A)
申请公布日期
1963.06.26
申请号
GB19610011211
申请日期
1961.03.28
申请人
FERRANTI, LIMITED
发明人
SHAW JACK VERNON
分类号
H01J29/48
主分类号
H01J29/48
代理机构
代理人
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