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发明名称
Method for setting user karaoke key automatically
摘要
申请公布号
KR20070018433(A)
申请公布日期
2007.02.14
申请号
KR20050073131
申请日期
2005.08.10
申请人
发明人
分类号
G11B31/02;H04R3/00
主分类号
G11B31/02
代理机构
代理人
主权项
地址
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