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    [国外标准 ] IEC 60840-2020 PDF版

    P: 2020-06-10 10:04:54

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    IEC60840-2020 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

     

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    s.c. - silk-cover丝包的 点赞(0) 投诉

    P: 2020-06-11 23:04:11

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    好像少了第26页,有第26页吗?谢谢!

    distribution area - 配线区 点赞(0) 投诉

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