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发明名称
全脑手心算图
摘要
申请公布号
CN300921030D
申请公布日期
2009.05.06
申请号
CN200830116437.7
申请日期
2008.04.08
申请人
牛宏伟
发明人
牛宏伟
分类号
19-08
主分类号
19-08
代理机构
代理人
主权项
地址
712000陕西省咸阳市陈阳寨世纪大道西段滨湖花园3-3-602
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