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发明名称
Acoustic device with directional diffusion suitable for hearers and device-wearing non-hearers
摘要
申请公布号
EP1933595(B1)
申请公布日期
2010.01.27
申请号
EP20070291482
申请日期
2007.12.11
申请人
ALLART DE HEES, HERVE
发明人
ALLART DE HEES, HERVE
分类号
H04R25/00;H04B5/00
主分类号
H04R25/00
代理机构
代理人
主权项
地址
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