Automatic striking and grinding thickness 3 动静触头允许磨损厚度mm 3
2.
Automatic striking and grinding thickness 2 动静触头允许磨损厚度mm 2
3.
Plain workshop and inspection gauges ; manufacturing tolerances and permissible wear 普通车间和检验量规.制造公差和允许磨损
4.
Inspection of tolerances of plain workpieces . limit gauges . tolerances and permissible wear of manufacture limit gauges up to 500 mm 普通加工件公差的检验.极限规.制造用公差与允许磨损量在500mm以下的极限量规