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发明名称
Automatic volume control arrangement
摘要
申请公布号
US2031238(A)
申请公布日期
1936.02.18
申请号
US19330664968
申请日期
1933.04.07
申请人
RADIO CORPORATION OF AMERICA
发明人
THOMPSON LELAND E.
分类号
H03G3/22
主分类号
H03G3/22
代理机构
代理人
主权项
地址
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