UNE-EN 12312-18:2005+A1:2009 Aircraft ground support equipment - Specific requirements - Part 18: Nitrogen or Oxygen units (Endorsed by AENOR in June of 2009.)
2009UNE-EN 12312-18:2005+A1:2009 Aircraft ground support equipment - Specific requirements - Part 18: Nitrogen or Oxygen units (Endorsed by AENOR in June of 2009.)