DIN EN ISO 11640:2018-11 Leather - Tests for colour fastness - Colour fastness to cycles of to-and-fro rubbing (ISO 11640:2018); German version EN ISO 11640:2018
2018DIN EN ISO 11640:2018-11 Leather - Tests for colour fastness - Colour fastness to cycles of to-and-fro rubbing (ISO 11640:2018); German version EN ISO 11640:2018
2018DIN EN ISO 11640:2018 Leather - Tests for colour fastness - Colour fastness to cycles of to-and-fro rubbing (ISO 11640:2018); German version EN ISO 11640:2018
2013DIN EN ISO 11640:2013 Leather - Tests for colour fastness - Colour fastness to cycles of to-and-fro rubbing (ISO 11640:2012); German version EN ISO 11640:2012
1998DIN EN ISO 11640:1998 Leather – Tests for color fastness – Color fastness to cycles of to-and-fro rubbing