External utilities. Еlectrical installations. Cables with plasti cinsulating material for 35 kV including, laying in earth (in tube ditch). Work performancerules
Industrial automation systems and integration. Product data representation and exchange. Part 518. Application interpreted construct. Mechanical design shaded presentation
Thermoplastics pipes and fittings. Vicat softening temperature. Part 2. Test conditions for unplasticized polyvinylchloride, chlorinated polyvinylchloride pipes and fittings and high impact polyvinylchloride pipes