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发明名称
十色花数学游戏卡
摘要
1.一种菊花形转盘式数字游戏卡片,由一张穿孔卡片和四张无孔卡片构成。2.把穿孔卡片叠放在某一张无孔卡片上,对齐花瓣,每旋转36°可组成一个算式,结果窗可以显示出每道算式的正确结果。3.省略其它视图。4.A为穿孔窗口。
申请公布号
CN3018934D
申请公布日期
1993.05.26
申请号
CN92303823.X
申请日期
1992.06.20
申请人
田恬
发明人
田恬; 田志祥
分类号
21-01
主分类号
21-01
代理机构
代理人
主权项
地址
410012湖南省长沙市麓山南路326号湖南省计算技术研究所田志祥转
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