BS 7769-2.2:1997 Electric cables —Calculation of the current rating —Part 2:-电线电缆网

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[国外标准] BS 7769-2.2:1997 Electric cables —Calculation of the current rating —Part 2:

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P:2008-08-08 08:46:54
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BS 7769-2.2:1997 Electric cables —Calculation of the current rating —Part 2:.pdf

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BS 7769-2.2:1997 Electric cables —Calculation of the current rating —Part 2:.pdf

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