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发明名称
Improvements in or relating to high-frequency amplifying circuits
摘要
申请公布号
GB551069(A)
申请公布日期
1943.02.05
申请号
GB19420000374
申请日期
1942.01.09
申请人
N.V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
H03F3/22
主分类号
H03F3/22
代理机构
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