Heat-treated steels, alloy steels and free-cutting steels - Part 17: Ball and roller bearing steels (ISO 683-17:1999); German version EN ISO 683-17:1999— 20 стр.
Steels for simple pressure vessels - Technical delivery requirements for plates, strips and bars (includes Amendment A1:1997); German version EN 10207:1991 + A1:1997— 12 стр.
Contract procedures for building works - Part C: General technical specifications for building works; construction works for traffic lines, top layers with hydraulic binders— 13 стр.
Contract procedures for building works - Part C: General technical specifications for building works; Construction works for traffic lines, top layers with hydraulic binders— 13 стр.
Contract procedure for building works; part C: general technical specifications for building works; construction works for traffic lines, top layers with hydraulic binders— 11 стр.