2020DIN EN ISO 4629-3:2020 Binders for paints and varnishes - Determination of hydroxyl value - Part 3: Rapid test (ISO 4629-3:2018); German version EN ISO 4629-3:2020
2016DIN 53240-3:2016 Binders for paints and varnishes - Determination of hydroxyl value - Part 3: Rapid test