2018UNE-EN ISO 4254-12:2012/A1:2018 Agricultural machinery - Safety - Part 12: Rotary disc and drum mowers and flail mowers (ISO 4254-12:2012/Amd 1:2017)
2012UNE-EN ISO 4254-12:2012 Agricultural machinery - Safety - Part 12: Rotary disc and drum mowers and flail mowers (ISO 4254-12:2012)