OS GSO ISO 21028-2:2016 Cryogenic vessels -- Toughness requirements for materials at cryogenic temperature -- Part 2: Temperatures between -80 degrees C and -20 degrees C
1970OS GSO ISO 21028-2:2016 Cryogenic vessels -- Toughness requirements for materials at cryogenic temperature -- Part 2: Temperatures between -80 degrees C and -20 degrees C