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发明名称
Improvements in or relating to amplifying circuits for ultra-short waves
摘要
申请公布号
GB552760(A)
申请公布日期
1943.04.22
申请号
GB19410015941
申请日期
1941.12.10
申请人
N. V. PHILLIPS' GLOEILAMPENFABRIEKEN
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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