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发明名称
Apparatus for practicing Musical instrument performance
摘要
申请公布号
KR100956029(B1)
申请公布日期
2010.05.06
申请号
KR20080102423
申请日期
2008.10.20
申请人
发明人
分类号
G10H7/00
主分类号
G10H7/00
代理机构
代理人
主权项
地址
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