DIN EN ISO 22391-3:2022-05
Действует
Plastics piping systems for hot and cold water installations - Polyethylene of raised temperature resistance (PE-RT) - Part 3: Fittings (ISO 22391-3:2009 + Amd 1:2020 + Amd 2:2021); German and English version EN ISO 22391-3:2009 + A1:2020 + A2:2021
