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发明名称
METHOD AND DEVICE FOR SUPPRESSING BACKGROUND NOISE AND ECHOES
摘要
申请公布号
EP1181806(A1)
申请公布日期
2002.02.27
申请号
EP20000935123
申请日期
2000.05.26
申请人
ALCATEL
发明人
MARTIN, RAINER
分类号
H04M9/08;(IPC1-7):H04M9/08
主分类号
H04M9/08
代理机构
代理人
主权项
地址
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