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发明名称
Hearing aid
摘要
A hearing aid which allows the user to adjust the hearing aid linearly to the desired volume by means of a Bowden cable.
申请公布号
DE3318056(A1)
申请公布日期
1984.11.22
申请号
DE19833318056
申请日期
1983.05.18
申请人
FROHMUELLER,LUDWIG
发明人
FROHMUELLER,LUDWIG
分类号
H03G3/04;H04R25/00;(IPC1-7):H03G1/02
主分类号
H03G3/04
代理机构
代理人
主权项
地址
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