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IEC 60840-2020 额定电压为30KV(Um=36KV)以上至150KV(Um=170KV)以下的挤压绝缘的电力电缆及其附件 要求和试验方法
IEC 60840-2020 Power cables with extruded insulation and their accessories for rated voltages above 30kV (Um36kV) up to 150kV (Um 170kV) -Test methods and requirements.pdf
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感谢分享
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