Fibre optic sensors - Part 1-1: Strain measurement - Strain sensors based on fibre Bragg gratings (IEC 61757-1-1:2016); German version EN 61757-1-1:2017— 54 стр.
Standard terminology for additive manufacturing - Coordinate systems and test methodologies (ISO/ASTM 52921:2013); German version EN ISO/ASTM 52921:2016— 22 стр.