2017DIN EN ISO 2420:2017-05 Leather - Physical and mechanical tests - Determination of apparent density and mass per unit area (ISO 2420:2017); German version EN ISO 2420:2017
2017DIN EN ISO 2420:2017 Leather - Physical and mechanical tests - Determination of apparent density and mass per unit area (ISO 2420:2017); German version EN ISO 2420:2017
2003DIN EN ISO 2420:2003 Leather - Physical and mechanical tests - Determination of apparent density (ISO 2420:2002); German version EN ISO 2420:2002