DIN EN ISO 11297-1-2013 地下排水和压力下污水网络用翻新塑料管道系统.第1部分:总论(ISO 11297-1-2013).德文版本EN ISO 11297-1-2013
Plastics piping systems for renovation of underground drainage and sewerage networks under pressure - Part 1: General (ISO 11297-1:2013); German version EN ISO 11297-1:2013