Corrigendum 1 - Power Transformers - Part 22-7: Power Transformer And Reactor Fittings - Accessories And Fittings
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Power transformers - Part 22-8: Power transformer and reactor fittings - Devices suitable for use in communication networks
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Power transformers - Part 24: Specification of voltage regulating distribution transformers (VRDT)
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Power transformers – Part 25: Neutral grounding resistors
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Amendment 1 - Power transformers - Part 3: Insulation levels, dielectric tests and external clearances in air
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Power transformers - Part 3: Insulation levels, dielectric tests and external clearances in air
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Corrigendum 1 - Power transformers - Part 3: Insulation levels, dielectric tests and external clearances in air
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Power transformers - Part 3: Insulation levels, dielectric tests and external clearances in air
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Power transformers - Part 3: Insulation levels, dielectric tests and external clearances in air CONSOLIDATED EDITION
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Power transformers - Part 4: Guide to the lightning impulse and switching impulse testing - Power transformers and reactors
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