GB/T 4022.1-2021
卧轴矩台平面磨床 精度检验 第1部分:工作台面长度至1600mm的机床
Surface grinding machines with horizontal grinding wheel spindle and reciprocating table—Testing of the accuracy—Part 1:Machines with table surface length of up to 1600 mm
GBT4022.1-2021, GB4022.1-2021