DIN EN 17176-3:2017
压力导向的未增塑聚氯乙烯(PVC - O)给水、地下和地上排水、污水和灌溉用塑料管道系统. 第3部分:配件;德文和英文版本prEN 17176-3:2017
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