DIN EN 12200-1-2016 地上露天用塑料雨水管道系统.未增塑聚氯乙烯.第1部分:管、管件和管道系统规范.德文版本EN 12200-1-2016
Plastics rainwater piping systems for above ground external use - Unplasticized poly(vinyl chloride) (PVC-U) - Part 1: Specifications for pipes, fittings and the system; German version EN 12200-1:2016