DIN EN ISO 15874-5-2013 冷热水装置用塑料管道系统.聚丙烯(PP).第5部分:系统的适用性(ISO 15874-5-2013).德文和英文版本EN ISO 15874-5-2013
Plastics piping systems for hot and cold water installations - Polypropylene (PP) - Part 5: Fitness for purpose of the system (ISO 15874-5:2013); German and English version EN ISO 15874-5:2013