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发明名称
ECHO CANCELLER
摘要
申请公布号
JPS57124945(A)
申请公布日期
1982.08.04
申请号
JP19810202608
申请日期
1981.12.17
申请人
TELECOMMUN RADIOELECTRIQUES ET TELEPHONIQUES TRT
发明人
JIYAN RASOU
分类号
H04B3/23
主分类号
H04B3/23
代理机构
代理人
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