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DIN EN ISO 1938-1:2016
Geometrical product specifications (GPS) - Dimensional measuring equipment - Part 1: Plain limit gauges of linear size (ISO 1938-1:2015); German version EN ISO 1938-1:2015
"This part of ISO 1938 specifies the most important metrological and design characteristics of plain limit gauges of linear size.
Deutsches Institut für Normung [din]