GB/T 12706.2-2008 额定电压1kV（Um=1.2kV）到35kV（Um=40.5kV）挤包绝缘电力电缆及附件 第2部分：额定电压6kV（Um=7.2kV）到30kV（Um=36kV）电
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更新时间 : 2024-01-09 08:14:43
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