DIN EN ISO 15876-2-2017 热水和冷水装置用塑料管系统.聚丁烯(PB).第2部分:管(ISO 15876-2-2017);德文和英文版本EN ISO 15876-2-2017
Plastics piping systems for hot and cold water installations - Polybutylene (PB) - Part 2: Pipes (ISO 15876-2:2017); German and English version EN ISO 15876-2:2017