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经营范围
发明名称
An improved automatic gain control system for radio receivers
摘要
申请公布号
GB668756(A)
申请公布日期
1952.03.19
申请号
GB19490032545
申请日期
1949.12.19
申请人
RADIO CORPORATION OF AMERICA
发明人
分类号
H04N5/53
主分类号
H04N5/53
代理机构
代理人
主权项
地址
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