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发明名称
MUSIC TRAINING APPARATUS
摘要
申请公布号
GB9321123(D0)
申请公布日期
1993.12.01
申请号
GB19930021123
申请日期
1993.10.13
申请人
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
发明人
分类号
G09B15/00;G10H1/00;G10H1/20;G10H1/36;G10K15/04;G10L21/04
主分类号
G09B15/00
代理机构
代理人
主权项
地址
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