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发明名称
象棋纸
摘要
平面产品,省略其他视图。
申请公布号
CN300755028D
申请公布日期
2008.03.12
申请号
CN200730100958.9
申请日期
2007.04.27
申请人
郑州市中原区建设路第三小学
发明人
闫河旺;孟玉凤;刘卫东;司爱玲;潘 欣
分类号
21-01
主分类号
21-01
代理机构
郑州异开专利事务所
代理人
韩 华
主权项
地址
450007河南省郑州市郑州三棉公司向荣街
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