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发明名称
三棱镜直尺
摘要
一种三棱镜直尺,科室人员、学生可用它来量长度、划直线、绘图,也可作为教学仪器来作物理实验,从而了解光的几何和物理特性,还可用它来压拶纸张、文件、资料等。
申请公布号
CN87211403U
申请公布日期
1988.08.17
申请号
CN87211403
申请日期
1987.07.25
申请人
李浩
发明人
李浩
分类号
G01B3/04
主分类号
G01B3/04
代理机构
代理人
主权项
1、一种三棱镜直尺,其特征在于它是在三棱镜的棱上及棱的侧面靠近棱的边缘处刻有长度单位。
地址
山东省烟台市财政局
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