EN 1451-1:2017 Plastics Piping Systems for Soil and Waste Discharge (Low and High Temperature) within the Building Structure - Polypropylene (PP) - Part 1: Specifications for Pipes@ Fittings and the System
2017EN 1451-1:2017 Plastics Piping Systems for Soil and Waste Discharge (Low and High Temperature) within the Building Structure - Polypropylene (PP) - Part 1: Specifications for Pipes@ Fittings and the System
1998EN 1451-1:1998 Plastics Piping Systems for Soil and Waste Discharge (Low and High Temperature) within the Building Structure - Polypropylene (PP) - Part 1: Specifications for Pipes, Fittings and the System