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经营范围
发明名称
Hearing Aid Having Function of Bone Conduction Using Piezoelectric Vibration
摘要
申请公布号
KR101109110(B1)
申请公布日期
2012.02.24
申请号
KR20090105088
申请日期
2009.11.02
申请人
发明人
分类号
H04R17/00;H04R13/00;H04R25/00
主分类号
H04R17/00
代理机构
代理人
主权项
地址
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