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经营范围
发明名称
LOGARITHMIC ECHO CANCELLER
摘要
申请公布号
GB1563742(A)
申请公布日期
1980.03.26
申请号
GB19770023767
申请日期
1977.06.03
申请人
COMMUNICATIONS SATELLITE CORP
发明人
分类号
H04B3/23;(IPC1-7):H04B3/23
主分类号
H04B3/23
代理机构
代理人
主权项
地址
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