Draft Document - High-voltage switchgear and controlgear - Part 104: Alternating current switches for rated voltages higher than 52 kV (IEC 17A/1177/CD:2018); Text in German and English
文件草案-高压开关设备和控制设备-第104部分:额定电压高于52 kV的交流开关(IEC 17A/1177/CD:2018);德语和英语文本