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发明名称
Noise discriminating system
摘要
申请公布号
US2645684(A)
申请公布日期
1953.07.14
申请号
US19480036197
申请日期
1948.06.30
申请人
RADIO CORPORATION
发明人
OLSON HARRY F.;PRESTON JOHN
分类号
H04R9/12
主分类号
H04R9/12
代理机构
代理人
主权项
地址
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