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发明名称
BEHIND-THE-EAR HEARING AID
摘要
申请公布号
DE3570824(D1)
申请公布日期
1989.07.06
申请号
DE19853570824
申请日期
1985.09.13
申请人
SIEMENS AKTIENGESELLSCHAFT BERLIN UND MUNCHEN
发明人
BUTTNER, GERHARD;DIEFENBACH, BERNDT
分类号
H04R25/02;(IPC1-7):H04R25/02
主分类号
H04R25/02
代理机构
代理人
主权项
地址
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