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发明名称
Educational music keyboard with coloured illuminated keys corresponding to coloured musical score
摘要
申请公布号
GB2468494(A)
申请公布日期
2010.09.15
申请号
GB20090004093
申请日期
2009.03.10
申请人
EMILY ROTTER
发明人
EMILY ROTTER
分类号
G10G1/00;G09B15/00;G10H1/00
主分类号
G10G1/00
代理机构
代理人
主权项
地址
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