SHEET MUSIC STUDYING DEVICE AND SHEET MUSIC FOR STUDYING,申请号KR19990003129U-传众专利搜索

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发明名称	SHEET MUSIC STUDYING DEVICE AND SHEET MUSIC FOR STUDYING
摘要
申请公布号	KR200159275(Y1)	申请公布日期	2000.03.15
申请号	KR19990003129U	申请日期	1999.02.27
申请人	CHA, KYOUNG HWAN	发明人	CHA, KYOUNG HWAN
分类号	G09B15/04;(IPC1-7):G09B15/04	主分类号	G09B15/04
代理机构		代理人
主权项
地址

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