UNE-EN IEC 60076-22-6:2021 Power transformers - Part 22-6: Power transformer and reactor fittings - Electric fans for transformers (Endorsed by Asociación Española de Normalización in May of 2021.)
2021UNE-EN IEC 60076-22-6:2021 Power transformers - Part 22-6: Power transformer and reactor fittings - Electric fans for transformers (Endorsed by Asociación Española de Normalización in May of 2021.)