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发明名称
Accoustic feedback Correction
摘要
申请公布号
GB9607051(D0)
申请公布日期
1996.06.05
申请号
GB19960007051
申请日期
1996.04.03
申请人
BRITISH TELECOMMUNICATIONS PUBLIC LIMITED COMPANY
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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