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ISO/CD 5660-5
Reaction-to-fire tests - Heat release, smoke production and mass loss rate - Part 5: Heat release rate (cone calorimeter method) and smoke production rate (dynamic measurement) under reduced oxygen atmospheres
DIN EN 12110-1
Tunnel boring machines - Air locks - Part 1: Requirements for air locks utilising compressed air as the pressurising or breathing medium along with requirements for oxygen breathing systems for decompression purposes; German and English version prEN 12110-1:2023
DIN EN 14620-6
Design and manufacture of site built, vertical, cylindrical, flat-bottomed tank systems for the storage of refrigerated, liquefied gases with operating temperatures between 0 °C and -196 °C - Part 6: Specification for the design and construction of single containment tanks for the storage of liquid oxygen, liquid nitrogen or liquid argon
DIN EN ISO 21068-3
Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon – Part 3: Determination of nitrogen, oxygen and metallic and oxidic constituents (ISO 21068-3:2024); German version EN ISO 21068-3:2024