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发明名称
Hearing-aid with cerumen barrier
摘要
申请公布号
EP1596631(A3)
申请公布日期
2009.11.18
申请号
EP20050103888
申请日期
2005.05.10
申请人
SIEMENS AUDIOLOGISCHE TECHNIK GMBH
发明人
HANSES, THOMAS;NIEDERDRAENK, TORSTEN, DR.
分类号
H04R25/00
主分类号
H04R25/00
代理机构
代理人
主权项
地址
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