Agricultural machinery - Safety - Part 12: Rotary disc and drum mowers and flail mowers (ISO 4254-12:2012); German version EN ISO 4254-12:2012— 36 стр.
Agricultural machinery - Safety - Part 12: Rotary disc and drum mowers and flail mowers (ISO 4254-12:2012 + Amd 1:2017); German version EN ISO 4254-12:2012 + A1:2017— 38 стр.