DIN EN 1329-1 E:2013-06 建筑结构内用于土壤和废物排放(低温和高温)的塑料管道系统 未增塑聚(氯乙烯)(PVC-U) 第1部分:管道、配件和系统规范(草案)
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 systems