Geometrical product specifications (GPS) - NOT GO screw gauging members for workshop plug gauges and check plugs for ISO metric screw threads with nominal diameters over 40 mm up to 250 mm in precision engineering
产品几何技术规范(GPS)-“不合格”螺纹量规件-第3部分:精密机械用公称直径超过40mm至250mm的ISO公制螺纹的“不合格”车间量规和检查塞规