DIN EN ISO 22391-3/A1:2020-03
Отменен
Plastics piping systems for hot and cold water installations - Polyethylene of raised temperature resistance (PE-RT) - Part 3: Fittings - Amendment 1 (ISO 22391-3:2009/DAM 1:2020); German and English version EN ISO 22391-3:2009/prA1:2020
