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发明名称
MUSIC TEACHING GAME
摘要
申请公布号
GB2028564(B)
申请公布日期
1982.09.29
申请号
GB19780033244
申请日期
1978.08.14
申请人
CHILDS L
发明人
分类号
G09B15/02;(IPC1-7):G09B15/02
主分类号
G09B15/02
代理机构
代理人
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