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经营范围
发明名称
Improvements in or relating to circuit-arrangements for rectifying modulated high-or intermediate-frequency oscillations and for amplifying the oscillations obtained after rectification
摘要
申请公布号
GB472956(A)
申请公布日期
1937.10.04
申请号
GB19370016132
申请日期
1937.06.10
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
H03D1/00;H03F3/36
主分类号
H03D1/00
代理机构
代理人
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