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发明名称
Dispositif de commande automatique du coefficient d'amplification
摘要
申请公布号
FR1027442(A)
申请公布日期
1953.05.12
申请号
FRD1027442
申请日期
1950.10.26
申请人
RADIO CORPORATION OF AMERICA
发明人
分类号
H04N5/08;H04N5/53
主分类号
H04N5/08
代理机构
代理人
主权项
地址
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