Butt-welding pipe fittings - Part 2: Non alloy and ferritic alloy steels with specific inspection requirements; German version EN 10253-2:2007— 125 стр.
Organic coating systems and linings for protection of industrial apparatus and plants against corrosion caused by aggressive media - Part 1: Terminology, design and preparation of substrate; German version EN 14879-1:2005— 40 стр.
0rganic coating systems and linings for protection of industrial apparatus and plants against corrosion caused by aggressive media. Terminology, design and preparation of substrate— 40 стр.