NF T54-917-1:2000 Plastics piping systems for soil and waste discharge (low and high temperature) within the building structure - Polyethylene (PE) - Part 1 : specifications for pipes, fittings and the system.
2000NF T54-917-1:2000 Plastics piping systems for soil and waste discharge (low and high temperature) within the building structure - Polyethylene (PE) - Part 1 : specifications for pipes, fittings and the system.