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发明名称
Transmission apparatus having echo cancellation facility
摘要
申请公布号
GB9624267(D0)
申请公布日期
1997.01.08
申请号
GB19960024267
申请日期
1996.11.21
申请人
FUJITSU LIMITED
发明人
分类号
H03H17/00;H04B1/58;H04B3/23;H04L5/18;H04L27/00
主分类号
H03H17/00
代理机构
代理人
主权项
地址
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