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发明名称
IMPROVED HEARING AID
摘要
申请公布号
EP1438873(A1)
申请公布日期
2004.07.21
申请号
EP20020782775
申请日期
2002.10.08
申请人
OTICON A/S
发明人
JORGENSEN, MIE, O.;BRAMSLOW, LARS
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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