IEC62271-200 Metal closed switchgear
高压开关设备和控制设备 – 第200部分：额定电压高于1 kV且不超过52 kV的交流金属封闭开关设备和控制设备
High-voltage switchgear and controlgear – Part 200: AC metal-enclosed switchgear and controlgear for rated voltages above 1 kV and up to and including 52 kV
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