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发明名称
理想三角板教具(改良型)
摘要
申请公布号
TW036560
申请公布日期
1981.04.01
申请号
TW06821772
申请日期
1979.05.17
申请人
徐照夫
发明人
徐照夫
分类号
B43L9/12;G01B3/56
主分类号
B43L9/12
代理机构
代理人
主权项
1﹒一种理想三角板教具,其特征是理想三角板是 一 透明体,在其重心上置有一圆柱体,(参阅图一 )便于把握,以致能移轻巧的应用理想三角板的 方法作图解示范教学。 2﹒依照请求专利部份第1项所述之理想三角板教 具 的板面,置有三个半圆形的突出体。 3﹒依照请求专利部份第2项所述之半圆形的突出 体 ,其特征是只有弹性作用,如图二所示,利于滑 动和画线。
地址
新店北振路1段190巷27弄3号2楼
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