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发明名称
ECHO CANCELER AND ITS LEARNING METHOD
摘要
申请公布号
EP0708536(B1)
申请公布日期
2006.07.26
申请号
EP19950917503
申请日期
1995.05.02
申请人
NTT MOBILE COMMUNICATIONS NETWORK INC.
发明人
KAWAHARA, TOSHIRO;MIKI, TOSHIO;OHYA, TOMOYUKI
分类号
H03H21/00;H04B3/23;H04M1/60
主分类号
H03H21/00
代理机构
代理人
主权项
地址
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