DIN EN ISO 15876-3:2022-05
Plastics piping systems for hot and cold water installations - Polybutene (PB) - Part 3: Fittings (ISO 15876-3:2017 + Amd 1:2020 + Amd 2:2021); German and English version EN ISO 15876-3:2017 + A1:2020 + A2:2021 / Note: This standard is part of the DVGW...