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发明名称
Improvements in construction and arrangement of thermionic valves for high frequencyreception
摘要
申请公布号
GB535969(A)
申请公布日期
1941.04.29
申请号
GB19390027772
申请日期
1939.10.12
申请人
HAZELTINE CORPORATION
发明人
分类号
H03F1/08
主分类号
H03F1/08
代理机构
代理人
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