DIN EN 1011-1:2009-07 Welding - Recommendations for welding of metallic materials - Part 1: General guidance for arc welding; German version EN 1011-1:2009
2009DIN EN 1011-1:2009-07 Welding - Recommendations for welding of metallic materials - Part 1: General guidance for arc welding; German version EN 1011-1:2009
2009DIN EN 1011-1:2009 Welding - Recommendations for welding of metallic materials - Part 1: General guidance for arc welding; English version of DIN EN 1011-1:2009-07