DIN 7150-2
DIN 7150-2 Geometrical product specifications (GPS) - System of limits and fits - Part 2: Limit gauges and gauging for plain cylindrical workpieces
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 02/01/2007
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 02/01/2007