DIN EN ISO 17072-2:2022-12 Leather - Chemical determination of metal content - Part 2: Total metal content (ISO 17072-2:2022); German version EN ISO 17072-2:2022
2022DIN EN ISO 17072-2:2022-12 Leather - Chemical determination of metal content - Part 2: Total metal content (ISO 17072-2:2022); German version EN ISO 17072-2:2022
2019DIN EN ISO 17072-2:2019 Leather - Chemical determination of metal content - Part 2: Total metal content (ISO 17072-2:2019)
2017DIN EN ISO 17072-2:2017 Leather - Chemical determination of metal content - Part 2: Total metal content (ISO/DIS 17072-2:2017); German and English version prEN ISO 17072-2:2017
2011DIN EN ISO 17072-2:2011 Leather - Chemical determination of metal content - Part 2: Total metal content (ISO 17072-2:2011); German version EN ISO 17072-2:2011