AENOR UNE-EN ISO 11114-1/A1:2017 Gas cylinders - Compatibility of cylinder and valve materials with gas contents - Part 1: Metallic materials - Amendment 1 (ISO 11114-1:2012/Amd 1:2017)
2021AENOR UNE-EN ISO 11114-1:2021 Bottles for transporting gas. Compatibility of the materials of the bottles and valves with the gas contained. Part 1: Metallic materials. (ISO 11114-1:2020).
2017AENOR UNE-EN ISO 11114-1/A1:2017 Gas cylinders - Compatibility of cylinder and valve materials with gas contents - Part 1: Metallic materials - Amendment 1 (ISO 11114-1:2012/Amd 1:2017)