DIN EN ISO 787-21:2018 General methods of test for pigments and extenders - Part 21: Comparison of heat stability of pigments using a stoving medium (ISO 787-21:1979)
2018DIN EN ISO 787-21:2018-01 General methods of test for pigments and extenders - Part 21: Comparison of heat stability of pigments using a stoving medium (ISO 787-21:1979); German version EN ISO 787-21:2017