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发明名称
示教多用游标卡尺
摘要
本实用新型涉及一种示教多用游标卡尺。其特征在于副尺2的游标部位设有游标尺槽,槽底镶嵌有若干块小磁铁5,上面置有可更换的、印有不同精度的、铁制游标尺6、7和8、9,以达一尺多用的目的。同时,游标尺还可左右稍移便于讲解零误差产生的原因及读数的修正方法。
申请公布号
CN2314421Y
申请公布日期
1999.04.14
申请号
CN97250254.8
申请日期
1997.11.22
申请人
凌玉华
发明人
凌玉华
分类号
G09B23/00
主分类号
G09B23/00
代理机构
代理人
主权项
1.一种示教多用游标卡尺,包括主尺(1),副尺(2),定位螺钉(3),深度尺(4),其特征在于副尺的游标部位设有游标尺槽,槽底镶嵌有若干块小磁铁(5),上面置有可更换的游标尺(6)、(7)和(8)、(9)。
地址
276004山东省临沂市第七中学
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