2016DIN EN ISO 14122-4:2016-10 Safety of machinery - Permanent means of access to machinery - Part 4: Fixed ladders (ISO 14122-4:2016); German version EN ISO 14122-4:2016
2016DIN EN ISO 14122-4:2016 Safety of machinery - Permanent means of access to machinery - Part 4: Fixed ladders (ISO 14122-4:2016); German version EN ISO 14122-4:2016
2010DIN EN ISO 14122-4:2010 Safety of machinery - Permanent means of access to machinery - Part 4: Fixed ladders (ISO 14122-4:2004 + Amd 1:2010); German version EN ISO 14122-4:2004 + A1:2010
2004DIN EN ISO 14122-4:2004 Safety of machinery – Fixed access to machinery – Part 4: Fixed ladders (ISO 14122-4:2004); German version EN ISO 14122-4:2004