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发明名称
HEARING AID
摘要
申请公布号
EP0793897(A1)
申请公布日期
1997.09.10
申请号
EP19950921771
申请日期
1995.05.29
申请人
TOPHOLM & WESTERMANN APS
发明人
ANDERSEN, HENNING, HAUGAARD
分类号
H04R25/00;(IPC1-7):H04R25/00
主分类号
H04R25/00
代理机构
代理人
主权项
地址
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