DIN EN ISO 27587:2019 Leather - Chemical tests - Determination of the free formaldehyde in process auxiliaries (ISO/DIS 27587:2019); German and English version prEN ISO 27587:2019
2021DIN EN ISO 27587:2021 Leather - Chemical tests - Determination of free formaldehyde in process auxiliaries (ISO 27587:2021); German version EN ISO 27587:2021
2019DIN EN ISO 27587:2019 Leather - Chemical tests - Determination of the free formaldehyde in process auxiliaries (ISO/DIS 27587:2019); German and English version prEN ISO 27587:2019
2010DIN EN ISO 27587:2010 Leather - Chemical tests - Determination of the free formaldehyde in process auxiliaries (ISO 27587:2009); German version EN ISO 27587:2009