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发明名称
TEACHING MUSIC
摘要
申请公布号
KR820001820(Y1)
申请公布日期
1982.08.30
申请号
KR19800000196U
申请日期
1980.01.15
申请人
HONG YOUNG OK
发明人
HONG YOUNG OK
分类号
G09B15/00;(IPC1-7):G09B15/00
主分类号
G09B15/00
代理机构
代理人
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