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PDF Standards IEC 60840 Amd.1 Ed. 5.0 en:2023

Amendment 1 – Power Cables With Extruded Insulation And Their Accessories For Rated Voltages Above 30 KV (Um= 36 KV) Up To 150 KV (Um = 170 KV) – Test Methods And Requirements
Amendment by International Electrotechnical Commission, 06/01/2023

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