DIN EN ISO 787-1:2018-01 General methods of test for pigments and extenders - Part 1: Comparison of colour of pigments (ISO 787-1:1982); German version EN ISO 787-1:2017
2018DIN EN ISO 787-1:2018-01 General methods of test for pigments and extenders - Part 1: Comparison of colour of pigments (ISO 787-1:1982); German version EN ISO 787-1:2017