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发明名称
Teaching aid for learning reading and writing skills
摘要
申请公布号
EP0828236(B1)
申请公布日期
2003.08.13
申请号
EP19970306739
申请日期
1997.09.02
申请人
NERIEUX, MAUREEN ALMA
发明人
NERIEUX, MAUREEN ALMA
分类号
G09B11/00;G09B17/00;(IPC1-7):G09B11/00;G09B23/02
主分类号
G09B11/00
代理机构
代理人
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