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发明名称
Thermionic valves
摘要
申请公布号
US2724069(A)
申请公布日期
1955.11.15
申请号
US19510217109
申请日期
1951.03.23
申请人
ENGLISH ELECTRIC VALVE COMPANY LIMITED
发明人
YOUNG ARTHUR JAMES;DEHLSEN DAVID CARLTON
分类号
H01J21/02
主分类号
H01J21/02
代理机构
代理人
主权项
地址
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