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2008-02-12
GB/T 12706.4-2002 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4部分: 额定电压6kV(Um=7.2kV)到35kV(Um=40.5k
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