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发明名称
CORRECTION QUANTITY ADAPTIVE CONTROL TYPE ECHO CANCELLER
摘要
申请公布号
JPH0298223(A)
申请公布日期
1990.04.10
申请号
JP19880251059
申请日期
1988.10.05
申请人
NEC CORP
发明人
MARUYAMA TADASUKE
分类号
H04B3/23
主分类号
H04B3/23
代理机构
代理人
主权项
地址
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