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发明名称
An educational aid
摘要
申请公布号
GB2330681(B)
申请公布日期
2002.08.14
申请号
GB19980023078
申请日期
1998.10.21
申请人
TINA ANNE * LLOYD-MORRIS
发明人
TINA ANNE * LLOYD-MORRIS
分类号
G09B1/06;G09B15/00;(IPC1-7):G09B1/00;G09B21/00
主分类号
G09B1/06
代理机构
代理人
主权项
地址
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