Verification of geometrical parameters - " go " gauging members - part 1 : for holes from 1 mm to 40 mmm nominal diameter 几何参数的验证.过端量规.第1部分:标称直径1mm至40mm
2.
Verification of geometrical parameters - " go " screw gauging members - part 1 : " go " workshop gauges , reference and setting gauges for iso general purpose metric screw threads from 1 mm up to 40 mm nominal diameter 几何参数的验证.螺纹过端量规.第1部分:标称直径1至40