标题: ISO 15874-5-2013 Plastics piping systems for hot and cold water installations [打印本页] 作者: liuxilin1215 时间: 2013-11-3 16:56:07 标题: ISO 15874-5-2013 Plastics piping systems for hot and cold water installations
ISO 15874-5-2013 Plastics piping systems for hot and cold water installations-Polypropylene (PP)-Part 5:Fitness for purpose of the system