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发明名称
Improvements in thermionic tube circuits for wireless reception
摘要
申请公布号
GB341840(A)
申请公布日期
1931.01.22
申请号
GB19300025245
申请日期
1930.08.23
申请人
LANCELOT THOMAS BARKER
发明人
分类号
H04B1/16
主分类号
H04B1/16
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代理人
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