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发明名称
A KARAOKE SYSTEM USING THE PORTABLE DIGITAL MUSIC PLAYER
摘要
申请公布号
KR20050110592(A)
申请公布日期
2005.11.23
申请号
KR20050103724
申请日期
2005.11.01
申请人
TECH ON PALM CORP.
发明人
YOON, JIN HO;SHIN, DONG HWAN
分类号
G06Q50/10;G06F3/06
主分类号
G06Q50/10
代理机构
代理人
主权项
地址
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