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发明名称
Perfectionnements à la commande automatique du taux d'amplification pour des systèmes amplificateurs
摘要
申请公布号
FR972590(A)
申请公布日期
1951.01.31
申请号
FRD972590
申请日期
1948.09.30
申请人
RADIO CORPORATION OF AMERICA
发明人
分类号
H03G3/22;H04N5/52
主分类号
H03G3/22
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