LST EN IEC 60076-22-6:2021 Power transformers - Part 22-6: Power transformer and reactor fittings - Electric fans for transformers (IEC 60076-22-6:2021)
2021LST EN IEC 60076-22-6:2021 Power transformers - Part 22-6: Power transformer and reactor fittings - Electric fans for transformers (IEC 60076-22-6:2021)