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发明名称
数学板(五环趣味)
摘要
本外观设计是平面产品,省略其它视图。
申请公布号
CN3449597D
申请公布日期
2005.05.25
申请号
CN200430010745.3
申请日期
2004.09.16
申请人
宋晓鹏
发明人
宋晓鹏
分类号
19-07
主分类号
19-07
代理机构
南阳市智博维创专利事务所
代理人
王帆
主权项
地址
473000 河南省南阳市解放路宛城区印刷厂家属院
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