Leather - Physical and mechanical tests; Determination of tear load - Part 2: Double edge tear (ISO 3377-2:2002); German version EN ISO 3377-2:2002— 8 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.
Leather - Physical and mechanical tests - Determination of tear load - Part 2: Double edge tear (ISO 3377-2:2016); German version EN ISO 3377-2:2016— 9 стр.