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发明名称
学生多功能数学模板
摘要
一种学生多功能几何画板,主要由一透明塑料底板构成,底板上设有等距的坐标阵列小孔、基本几何形状孔、半圆仪、直线尺等组成,直线尺位于底板的三面,右端为半圆仪,利用学生多功能数学模板可快速准确地绘制出多种平面几何及立体几何图形、快速做出平行线、直角坐标线、椭圆及绘制出不同直径的圆,可广泛用于学生、教师及科技人员。
申请公布号
CN2454150Y
申请公布日期
2001.10.17
申请号
CN00265191.2
申请日期
2000.12.12
申请人
朱国平
发明人
朱国平
分类号
B43L13/20
主分类号
B43L13/20
代理机构
代理人
主权项
1、一种学生多功能数学模板,主要由一透明塑料底板组成,底板上有基本几何形状孔,其特征是:(1)、底板上设有多个从小到大的圆孔及椭圆孔。(2)、大矩形孔及多个大小不等的小矩形孔。(3)、等距的直角坐标阵列小孔等。
地址
100043北京市石景山区八角二小金智能科贸中心
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