Steels; Classification; Part 2 : Classification of unalloyed and alloy steels according to main quality classes and main property or application characteristics— 12 стр.
BS EN IEC 62841-4-3 AMD1. Electric motor-operated hand-held tools, transportable tools and lawn and garden machinery. Safety. Part 4-3. Particular requirements for pedestrian controlled walk-behind lawnmowers— 11 стр.