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发明名称
An educational toy
摘要
申请公布号
GB0015817(D0)
申请公布日期
2000.08.23
申请号
GB20000015817
申请日期
2000.06.29
申请人
WRIGHT, JAMES F R
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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