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发明名称
Music teaching aid
摘要
申请公布号
GB2261763(A)
申请公布日期
1993.05.26
申请号
GB19920023171
申请日期
1992.11.05
申请人
SARAH * LYLE;BARTOSZ * WADIAK
发明人
SARAH * LYLE;BARTOSZ * WADIAK
分类号
G09B5/04;G09B15/00
主分类号
G09B5/04
代理机构
代理人
主权项
地址
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