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发明名称
色码电阻速查卡
摘要
一种用于查找色环电阻值的速查卡,它由一个壳体和4个圆盘组成,圆盘用铆钉与壳体装配,圆盘可以铆钉为圆心相对壳体转动,壳体上印有色环电阻的图形,环带上开有窗口,圆盘转动时其上标的色块、文字和数字就从窗口显示,色环电阻的阻值即从窗口读出。
申请公布号
CN2063666U
申请公布日期
1990.10.10
申请号
CN90202650.X
申请日期
1990.03.08
申请人
段顺兰;刘玉华
发明人
段顺兰;刘玉华
分类号
G06C3/00
主分类号
G06C3/00
代理机构
代理人
主权项
1、色环电阻速查卡,其特征在于它由壳体和第1、2、3、4色环圈盘组成,4个圈分别用铆钉与壳体铆接,圆盘与壳体间可以铆钉为圆心转动,壳体上开有4个与色环相对应的窗口,分别显示4个圆盘上的色块、文字和数字,4个圆盘的圆周分别标有色环电阻的色块、文字和数字,以与壳体上开的窗口相对应。
地址
430071湖北省武汉市第三机床厂技术部标准室
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