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发明名称
ECHO CANCELLER
摘要
申请公布号
JPH0541681(A)
申请公布日期
1993.02.19
申请号
JP19910195350
申请日期
1991.08.05
申请人
TOSHIBA CORP
发明人
AKAMINE MASAMI
分类号
H04B3/23;H04M1/58
主分类号
H04B3/23
代理机构
代理人
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地址
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