DIN EN ISO 105-E13:1997-01 Textiles - Tests for colour fastness - Part E13: Colour fastness to acid-felting: Severe (ISO 105-E13:1994); German version EN ISO 105-E13:1996
1997DIN EN ISO 105-E13:1997-01 Textiles - Tests for colour fastness - Part E13: Colour fastness to acid-felting: Severe (ISO 105-E13:1994); German version EN ISO 105-E13:1996