UNE-EN ISO 19902:2020 Petroleum and natural gas industries - Fixed steel offshore structures (ISO 19902:2020) (Endorsed by Asociación Española de Normalización in January of 2021.)
2021UNE-EN ISO 19902:2020 Petroleum and natural gas industries - Fixed steel offshore structures (ISO 19902:2020) (Endorsed by Asociación Española de Normalización in January of 2021.)