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发明名称
Hörhilfe
摘要
申请公布号
DE29814386(U1)
申请公布日期
1998.12.10
申请号
DE19982014386U
申请日期
1998.08.11
申请人
FRIEDRICH, MARKUS, 35315 HOMBERG, DE
发明人
分类号
A61F11/04;H04R25/02;(IPC1-7):H04R25/02;A61F11/00
主分类号
A61F11/04
代理机构
代理人
主权项
地址
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