Multilayer pipes for pressure applications, Part 3: Multilayer piping systems for hot and cold water plumbing applications - Fittings (ISO 21003-3:2008, MOD)
压力用多层管道第3部分:冷热水管道用多层管道系统配件
Adopts ISO 21003-3:2008 with national modifications to specify the characteristics of pipes and joints made of multilayer construction intended to be used for hot and cold water plumbing applications.