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DIN 2279:2001
Geometrical product specifications (GPS) - Gauges for internal and external ISO metric screw threads - Overview of types, marking and application
The document combines the gauges for checking of the internal and external threads, screw setting plug gauges, check gauges for screw ring gauges, gauging members and handles for gauging members in a general plan, except setting plug gauges "GO" and "NOT GO", double-ended open-jawed calliper gauge "GO" and "NOT GO" and screw calliper gauge "GO" and "NOT GO".
Deutsches Institut für Normung [din]