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发明名称
Improving Apparatus and Method of Sound Quality for Portable Device
摘要
申请公布号
KR100936126(B1)
申请公布日期
2010.01.12
申请号
KR20090045286
申请日期
2009.05.25
申请人
发明人
分类号
H04R3/00;H04R5/033;H04S5/00
主分类号
H04R3/00
代理机构
代理人
主权项
地址
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