DIN 30655-1 E:2019-12 Installation systems for gas installation inside buildings, consisting of multi-layer composite pipes and their corresponding fittings, for an operating pressure ≤ 100 mbar - Part 1: Requirements and testing
2020DIN 30655-1:2020 Installation systems for gas installation inside buildings, consisting of multi-layer composite pipes and their corresponding fittings, for an operating pressure ≤ 100 mbar - Part 1: Requirements and testing; Text in German and English
1970DIN 30655-1 E:2019-12 Installation systems for gas installation inside buildings, consisting of multi-layer composite pipes and their corresponding fittings, for an operating pressure ≤ 100 mbar - Part 1: Requirements and testing