DIN 30655-2 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 2: Conformity assessment
2020DIN 30655-2:2020 Installation systems for gas installation inside buildings, consisting of multi-layer composite pipes and their corresponding fittings, for an operating pressure ≤ 100 mbar - Part 2: Conformity assessment; Text in German and English
1970DIN 30655-2 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 2: Conformity assessment