Specification and approval of welding procedures for metallic materials, Welding procedure tests for the arc welding of aluminium and its alloys— 30 стр.
Flat products made of steels for pressure purposes - Part 4: Nickel alloyed steels with specified low temperature properties; German version EN 10028-4:1994— 9 стр.
Cryogenic vessels - Large transportable vacuum-insulated vessels - Part 2: Operational requirements (ISO 20421-2:2017); German version EN ISO 20421-2:2017— 24 стр.