发明名称 |
Hearing-aid with cerumen barrier |
摘要 |
A hearing aid with a casing (G) having at least one aperture and a protective device in or on the aperture to stop dirt entering the aperture and/or to facilitate cleaning the aperture, in which a cone (K) is fitted in the aperture with its point inside the casing (G).
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申请公布号 |
EP1596631(A2) |
申请公布日期 |
2005.11.16 |
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;(IPC1-7):H04R25/00 |
主分类号 |
H04R25/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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