2017DIN EN ISO 17231:2017-12 Leather - Physical and mechanical tests - Determination of water repellency of garment leather (ISO 17231:2017); German version EN ISO 17231:2017
1970DIN EN ISO 17231 E:2017-06 Physical and Mechanical Testing of Leather Determination of Waterproof Clothing Leather (Draft)
2017DIN EN ISO 17231:2017 Leather - Physical and mechanical tests - Determination of water repellency of garment leather (ISO 17231:2017); German version EN ISO 17231:2017
2011DIN EN ISO 17231:2011 Leather - Physical and mechanical tests - Determination of water repellency of garment leather (ISO 17231:2006); German version EN ISO 17231:2011