Hollow pressurized and unpressurized ceramic and glass insulators for use in electrical equipment with rated voltages greater than 1000 V (IEC 62155:2003, modified); German version EN 62155:2003
额定电压大于1000 V的电气设备用空心加压和非加压陶瓷和玻璃绝缘子(IEC 62155-2003 修改);德文版EN 62155:2003