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发明名称
Interactive directional hearing aid
摘要
申请公布号
GB9813973(D0)
申请公布日期
1998.08.26
申请号
GB19980013973
申请日期
1998.06.30
申请人
UNIVERSITY OF STIRLING
发明人
分类号
H04R25/00
主分类号
H04R25/00
代理机构
代理人
主权项
地址
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