Cryogenic vessels - Large transportable vacuum-insulated vessels - Part 2: Operational requirements (ISO 20421-2:2017); German version EN ISO 20421-2:2017— 24 стр.
Industrial valves - Isolating valves for low-temperature applications - Part 2: Type testing (ISO 28921-2:2015); German version EN ISO 28921-2:2017— 28 стр.