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经营范围
发明名称
Hörgerätewandler.
摘要
申请公布号
DE68917891(T2)
申请公布日期
1995.03.02
申请号
DE19896017891T
申请日期
1989.06.08
申请人
KNOWLES ELECTRONICS, INC., ITASCA, ILL., US
发明人
CARLSON, ELMER V., PROSPECT HEIGHTS ILLINOIS 60070, US
分类号
A61F11/00;H04R1/10;H04R25/00;H04R25/02;(IPC1-7):H04R25/02
主分类号
A61F11/00
代理机构
代理人
主权项
地址
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