UNE-EN IEC 61400-5:2020 Wind energy generation systems - Part 5: Wind turbine blades (Endorsed by Asociación Española de Normalización in January of 2021.)
2021UNE-EN IEC 61400-5:2020 Wind energy generation systems - Part 5: Wind turbine blades (Endorsed by Asociación Española de Normalización in January of 2021.)