Welding and allied processes - Classification of geometric imperfections in metallic materials - Part 1: Fusion welding (ISO 6520-1:2007); Trilingual version EN ISO 6520-1:2007— 58 стр.
Organic coating systems and linings for protection of industrial apparatus and plants against corrosion caused by aggressive media - Part 5: Linings on concrete components; German version EN 14879-5:2007— 62 стр.
Organic coating systems and linings for protection of industrial apparatus and plants against corrosion caused by aggressive media. Linings on concrete components— 64 стр.