Plastics piping systems for non-pressure underground drainage and sewerage - Polypropylene with mineral modifier(s) (PP-MD) - Part 3: Guidance for installation; German version CEN/TS 14758-3:2006
无压地下排水和污水用塑料管道系统.矿物改性聚丙烯(PP-MD).第3部分:安装指南;德文版CEN/TS 14758-3:2006