EN 1329-1:2014 建筑物结构内污物和废水排放(低和高温)用塑料管道系统.硬塑聚氯乙烯(PVC-U).第1部分:管材,管件和系统规
Plastics piping systems for soil and waste discharge (low and high temperature) within the building structure - Unplasticized poly(vinyl chloride) (PVC-U) - Part 1: Specifications for pipes, fittings and the system