Draft Document - Plastics piping systems for water supply and for buried and above ground drainage, sewerage and irrigation under pressure - Oriented unplasticized poly(vinyl chloride) (PVC-O) - Part 3: Fittings; German and English version prEN 17176-3:2017
文件草案.供水、埋地和地上排水、污水和灌溉用塑料管道系统.压力定向未增塑聚氯乙烯(PVC-O).第3部分:配件;德语和英语版本prEN 17176-3:2017