Non-destructive testing - Qualification and certification of NDT personnel; Supplement 1: Recomandations to the application of DIN EN ISO 9712:2012-12— 4 стр.
Metallic materials - Calibration and verification of static uniaxial testing machines - Part 1: Tension/compression testing machines - Calibration and verification of the force-measuring system (ISO 7500-1:2015); German version EN ISO 7500-1:2015— 27 стр.