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发明名称
Improvements in or relating to electronic switching tubes
摘要
申请公布号
GB894476(A)
申请公布日期
1962.04.26
申请号
GB19600008634
申请日期
1960.03.11
申请人
ENGLISH ELECTRIC VALVE COMPANY LIMITED
发明人
SINCLAIR IAN ROBERTSON
分类号
H01J31/04;H03K17/00
主分类号
H01J31/04
代理机构
代理人
主权项
地址
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