DIN EN ISO 105-A03:2020-02 Textiles - Tests for colour fastness - Part A03: Grey scale for assessing staining (ISO 105-A03:2019); German version EN ISO 105-A03:2019
2020DIN EN ISO 105-A03:2020-02 Textiles - Tests for colour fastness - Part A03: Grey scale for assessing staining (ISO 105-A03:2019); German version EN ISO 105-A03:2019