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发明名称
Improvements in or relating to circuit-arrangements for the amplification of high-frequency electrical oscillations
摘要
申请公布号
GB619784(A)
申请公布日期
1949.03.15
申请号
GB19460037153
申请日期
1946.12.17
申请人
PHILIPS LAMPS LIMITED
发明人
分类号
H03F1/08;H03F1/10
主分类号
H03F1/08
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