DIN EN ISO 22391-2:2021-03
Действует
Plastics piping systems for hot and cold water installations - Polyethylene of raised temperature resistance (PE-RT) - Part 2: Pipes (ISO 22391-2:2009 + Amd. 1:2020); German and English version EN ISO 22391-2:2009 + A1:2020
— 52 стр.