Railway telecommunications. Suspension rules of self-supporting optical waveguide cable on railway contact-line masts and power lines with voltage over 1000 V
Product quality index system. Compressors (air and gas driven ones) and refrigerating plants of refrigerating capacity exceeding 2.9 Kw (2500 kcal/h). Nomenclature of basic indices
Cable trunking systems and cable ducting systems for electrical installations. Part 2-1. Particular requirements. Cable trunking systems and cable ducting systems intended for mounting on walls and ceilings
