EN ISO 18451-2:2017 Pigments@ dyestuffs and extenders - Terminology - Part 2: Classification of colouring materials according to colouristic and chemical aspects
2018EN ISO 18451-2:2018 Pigments@ dyestuffs and extenders - Terminology - Part 2: Classification of colouring materials according to colouristic and chemical aspects
2017EN ISO 18451-2:2017 Pigments@ dyestuffs and extenders - Terminology - Part 2: Classification of colouring materials according to colouristic and chemical aspects