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发明名称
教具(儿童IQ注意力训练)
摘要
申请公布号
CN301090997D
申请公布日期
2009.12.23
申请号
CN200930113887.5
申请日期
2009.03.03
申请人
张海军
发明人
张海军
分类号
19-07
主分类号
19-07
代理机构
武汉楚天专利事务所
代理人
雷 速
主权项
地址
432100湖北省孝感市城站路人民广场南面商务楼4楼
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