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发明名称
Sprachsignalverbesserung in einem Fernsprechnetzwerk
摘要
申请公布号
DE69132861(D1)
申请公布日期
2002.01.24
申请号
DE19916032861
申请日期
1991.11.28
申请人
AT & T CORP., NEW YORK
发明人
BOWKER, DUANE O.;GANLEY, JOHN T.;JAMES, JAMES H.
分类号
H04B1/62;H04M3/00;H04M3/40;(IPC1-7):H04M3/40;H04B3/04;H04M1/60
主分类号
H04B1/62
代理机构
代理人
主权项
地址
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