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[国外标准] IEC 60287-2-3-2024 Electric cables - Calculation of the current rating - Part 2-3: Thermal resistance - Cables installed in ventilated tunnels

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P:2026-02-04 18:10:42

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IEC 60287-2-3-2024

IEC 60287-2-3-2024 Electric cables - Calculation of the current rating - Part 2-3: Thermal resistance - Cables installed in ventilated tunnels.pdf

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