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发明名称
High frequency coupling system for thermionic amplifiers
摘要
申请公布号
GB359890(A)
申请公布日期
1931.10.23
申请号
GB19300012580
申请日期
1930.04.23
申请人
HAZELTINE CORPORATION
发明人
分类号
H03F1/16
主分类号
H03F1/16
代理机构
代理人
主权项
地址
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