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发明名称
ECHO CANCELLER
摘要
申请公布号
JPS6420735(A)
申请公布日期
1989.01.24
申请号
JP19870177423
申请日期
1987.07.16
申请人
MATSUSHITA ELECTRIC IND CO LTD
发明人
FURUKAWA HIROMOTO;IBARAKI SATORU;NAONO HIROYUKI
分类号
H04B3/23;H04B7/015
主分类号
H04B3/23
代理机构
代理人
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地址
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