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发明名称
Communication terminal with echo canceller and its echo canceling method
摘要
申请公布号
GB0705506(D0)
申请公布日期
2007.05.02
申请号
GB20070005506
申请日期
2005.04.07
申请人
OKI ELECTRIC INDUSTRY CO., LTD.
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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