Draft Document - 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 (IEC 17C/421/CD:2007)
文件草案.高压开关设备和控制设备.第200部分:额定电压1kV及以上52kV及以下交流金属封闭开关设备和控制设备(IEC 17C/421/CD:2007)