Geometrical product specifications (GPS) - NOT GO workhop screw plug gauges, check plugs and setting plugs for general purpose ISO metric screw threads with nominal diameters from 1 mm up to 40 mm
产品几何技术规范(GPS)-“不合格”螺纹塞规.第1部分:“不合格”车间量规.公称直径为1mm至40mm的ISO通用公制螺纹塞规的检查和设置