珠心算盘式图教学卡片,申请号CN200830163592.4-传众专利搜索

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发明名称	珠心算盘式图教学卡片
摘要
申请公布号	CN300992358D	申请公布日期	2009.08.26
申请号	CN200830163592.4	申请日期	2008.07.15
申请人	李绵军	发明人	李绵军
分类号	19-08	主分类号	19-08
代理机构		代理人
主权项
地址	276001山东省临沂市兰山区开阳路6号青少年宫南门对过三楼神墨(临沂)儿童心算学校

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