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发明名称
ECHO CANCELLER
摘要
申请公布号
JPH09275367(A)
申请公布日期
1997.10.21
申请号
JP19960085270
申请日期
1996.04.08
申请人
NEC CORP
发明人
HAYASHI KENSUKE
分类号
H04B3/23;(IPC1-7):H04B3/23
主分类号
H04B3/23
代理机构
代理人
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地址
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