JJG 30-2002. 1范围 JJG 30适用于分度值(游标类和表类)或分辨力(数显类)为0.01,0.02,0.05和0.10 mm,测量范围上限至2000 mm通用卡尺的首次检定、后续检定和使...
JJG 30—2012 通用卡尺检定规程
JJG 30—2012. 1范围 JJG 30适用于分度值或分辨力为0.01 mm,0.02 mm,0. 05 mm和0.10 mm,测量范围0~2 000 mm各种规格游标、带表或数显卡尺、Ⅰ型深度...