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发明名称
一种绘图板
摘要
本实用新型是一种绘图板,用于立体几何学和解析几何学的学和绘图。使用该绘图板可以规范、捷简地画出有关图形,使立体形象准确、生动,便于理解和提高空间想象力,提高思维的严谨性。本装置是由圆形、椭圆形、水平放置的正六边形、正三角形、正五边形及平行四边形、抛物线、双曲线及带刻度的直尺组成的绘图板。
申请公布号
CN2136149Y
申请公布日期
1993.06.16
申请号
CN92231017.3
申请日期
1992.08.24
申请人
李广全;朱惠生;边翠兰;刘桂荣
发明人
李广全;朱惠生;边兰;刘桂荣
分类号
B43L13/20
主分类号
B43L13/20
代理机构
代理人
主权项
1、一种绘图板(1),其特征在于它是由空心园(2)、空心椭园(3)、标志水平放置的正六边形中心和端点的小孔(4)、标志水平放置的正三角形中心和端点的小孔(5)、标志水平放置的正五边形中心和端点的小孔(7)及标志平行四边形端点的小孔(6)、由抛物线和双曲线一分支组成的空心图形(8)、及带有刻度的直边(9)组成。
地址
300073天津市南开区万德庄新颜西里85号
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