2017DIN EN ISO 9606-1:2017-12 Qualification testing of welders - Fusion welding - Part 1: Steels (ISO 9606-1:2012 including Cor 1:2012 and Cor 2:2013); German version EN ISO 9606-1:2017
2017DIN EN ISO 9606-1:2017 Qualification testing of welders - Fusion welding - Part 1: Steels (ISO 9606-1:2012 including Cor 1:2012 and Cor 2:2013)
2013DIN EN ISO 9606-1:2013 Qualification testing of welders - Fusion welding - Part 1: Steels (ISO 9606-1:2012, including Cor 1:2012); German version EN ISO 9606-1:2013