DIN 2246-4:2008 Geometrical product specifications (GPS) - "GO" plug gauges - Part 4: For holes over 40 mm up to 250 mm nominal diameter for precision mechanics
2008DIN 2246-4:2008 Geometrical product specifications (GPS) - "GO" plug gauges - Part 4: For holes over 40 mm up to 250 mm nominal diameter for precision mechanics
1989DIN 2246-4:1989 GO plug gauges over 40 mm up to 250 mm nominal diameter for use in precision engineering