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发明名称
中学数学绘图板
摘要
一种专门为中学数学教学设计的绘图板,该绘图板沿用传统绘图板并含有初等函数绘图器、空间几何绘图器及平面解析几何绘图器。板中图形相互配合、正反两面或不同位置使用,沿着所选择的图形内壁边缘绘画,便可直接绘出几何、代数、三角中常用图形。
申请公布号
CN87202821U
申请公布日期
1988.05.11
申请号
CN87202821
申请日期
1987.03.03
申请人
王为民
发明人
王为民
分类号
B43L13/20
主分类号
B43L13/20
代理机构
代理人
主权项
1、一种为数学教学用的绘图板,其包括板体、直尺、三角板、量角器、园形模板、曲线板及刻度,其特征在于所述板体上设有初等函数绘图器、空间几何绘图器及平面解析几何绘图器。
地址
广西壮族自治区柳州市文惠路87号柳州市教育学院
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