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发明名称
Montage électrique pour l'amplification et la transformation, en fréquence d'oscillations électriques, de fréquence très élevée
摘要
申请公布号
FR873822(A)
申请公布日期
1942.07.21
申请号
FRD873822
申请日期
1941.07.12
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
H03F3/54
主分类号
H03F3/54
代理机构
代理人
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地址
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