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发明名称
Verfahren zur Erweiterung der Bandbreite eines schmalbandigen Sprachsignals
摘要
申请公布号
DE60216214(T2)
申请公布日期
2007.06.21
申请号
DE20026016214T
申请日期
2002.10.04
申请人
AT & T CORP.
发明人
MALAH, DAVID
分类号
G10L21/02
主分类号
G10L21/02
代理机构
代理人
主权项
地址
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