2021UNE-EN ISO 1141:2021 Fibre ropes - Polyester - 3-, 4-, 8- and 12-strand ropes (ISO 1141:2021) (Endorsed by Asociación Española de Normalización in June of 2021.)
2012UNE-EN ISO 1141:2012 Fibre ropes - Polyester - 3-, 4-, 8- and 12-strand ropes (ISO 1141:2012)