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发明名称
曲规
摘要
一种能绘制规则曲线的曲规,是在原有的圆规上,加一能独立转动的规臂,来实现规则曲线绘制的标准要求。该规臂可折叠,通过标有尺寸的拉线与另两根规臂相连接。若独立转动的规臂探及不到图纸时,可取下规脚进行手控。
申请公布号
CN2113169U
申请公布日期
1992.08.19
申请号
CN91226214.1
申请日期
1991.10.12
申请人
张玉生
发明人
张玉生;李国林
分类号
B43L9/02
主分类号
B43L9/02
代理机构
代理人
主权项
1、一种曲规,有三根规臂、三根规脚、三根规针,有标准尺寸的拉线,有带螺丝的金属圈,其特征是:三根规臂中有两根规臂共轴转动,另一根规臂独立转动,三根规臂在使用中可通过三根规脚由带标准尺寸的拉线连接。
地址
453600河南省辉县市电厂计量科
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