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.
Testing of lubricants - Tribological test in translatory oscillation apparatus - Part 3: Determination of tribological behaviour of materials in co-operation with lubricants— 7 стр.
Materials for rail vehicles - Steels - Part 1: Structural steels and structural steels with improved atmospheric corrosion resistance, hot rolled; selected standard— 3 стр.