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经营范围
发明名称
Audio reproduction apparatus, feedback system and method
摘要
申请公布号
KR101101385(B1)
申请公布日期
2012.01.02
申请号
KR20057012435
申请日期
2003.12.04
申请人
发明人
分类号
H04S1/00;A61B5/00;A61B5/024;A61B5/0245;A61B5/0404;A63B24/00;A63B69/00
主分类号
H04S1/00
代理机构
代理人
主权项
地址
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