DIN EN ISO 4048 E:2017 Draft Document - Leather - Chemical tests - Determination of matter soluble in dichloromethane and free fatty acid content (ISO/DIS 4048:2017); German and English version prEN ISO 4048:2017
2018DIN EN ISO 4048:2018-10 Leather - Chemical tests - Determination of matter soluble in dichloromethane and free fatty acid content (ISO 4048:2018); German version EN ISO 4048:2018
2018DIN EN ISO 4048:2018 Leather - Chemical tests - Determination of matter soluble in dichloromethane and free fatty acid content (ISO 4048:2018); German version EN ISO 4048:2018
2008DIN EN ISO 4048:2008 Leather - Chemical tests - Determination of matter soluble in dichloromethane and free fatty acid content (ISO 4048:2008); German version EN ISO 4048:2008