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发明名称
HEARING AID
摘要
申请公布号
EP0168895(B1)
申请公布日期
1989.10.11
申请号
EP19850201160
申请日期
1985.07.10
申请人
VIENNATONE GESELLSCHAFT M.B.H.
发明人
HUEBER, FRITZ
分类号
H04R25/00;H04R25/04;H03G1/02;H03G3/00
主分类号
H04R25/00
代理机构
代理人
主权项
地址
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