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经营范围
发明名称
Artificial reverberation
摘要
申请公布号
US2674660(A)
申请公布日期
1954.04.06
申请号
US19520325103
申请日期
1952.12.10
申请人
RADIO CORPORATION OF AMERICA
发明人
AMBROSE JAMES R.
分类号
G10K15/10
主分类号
G10K15/10
代理机构
代理人
主权项
地址
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