Metallic materials - Calibration of force-proving instruments used for the verification of uniaxial testing machines (ISO 376:2011); German version EN ISO 376:2011— 42 стр.
Metallic materials - Verification of static uniaxial testing machines - Part 1: Tension/compression testing machines - Verification and calibration of the force-measuring system (ISO 7500-1:2004); German version EN ISO 7500-1:2004— 24 стр.