1314559 SzGeCERN 20210423012414.0 NF-EN-1252-2 eng 23.020.40 Association Française de Normalisation. Paris Cryogenic vessels Materials : Part 2 : Toughness requirements for temperatures between – 80 °C and – 20 °C Paris AFNOR 2001 26 p SzGeCERN Engineering STANDARD http://cds.cern.ch/record/1314559/files/NF-EN-1252-2.pdf h 201031 no longer applicable Expert ICS-23 Reviewed in June 2019 21 20101215 1438 CER01 20101215 PUBLIC 002936045CER https://catalogue.library.cern/legacy/1314559 BOOK STANDARD MIGRATED