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发明名称
HEARING AID IN THE FORM OF AN EAR-RING
摘要
申请公布号
EP0512354(A3)
申请公布日期
1993.06.30
申请号
EP19920107165
申请日期
1992.04.27
申请人
SONAR DESIGN & HOERTECHNIK GMBH
发明人
TRUNT, RAINER
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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