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经营范围
发明名称
Hearing aid apparatus and method
摘要
An improved hearing aid and method that employs a combination microphone/speaker, sized to be inserted within which the opening of the ear canal such that it does not obstruct the same for more natural hearing.
申请公布号
US2007076913(A1)
申请公布日期
2007.04.05
申请号
US20060520990
申请日期
2006.09.14
申请人
SHANZ II, LLC
发明人
SCHANZ RICHARD W.
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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