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经营范围
发明名称
ECHO CANCELLING DEVICE
摘要
申请公布号
EP2330752(B1)
申请公布日期
2013.03.20
申请号
EP20080877055
申请日期
2008.09.24
申请人
MITSUBISHI ELECTRIC CORPORATION
发明人
YANO, ATSUYOSHI
分类号
H04B3/20;H04B3/23
主分类号
H04B3/20
代理机构
代理人
主权项
地址
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