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发明名称
Automatic volume control
摘要
申请公布号
US2338551(A)
申请公布日期
1944.01.04
申请号
US19420450239
申请日期
1942.07.09
申请人
RADIO CORPORATION OF AMERICA
发明人
STANKO EDWARD
分类号
H03G3/24
主分类号
H03G3/24
代理机构
代理人
主权项
地址
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