GB/T 19443-2004
标称电压高于 1000V 的架空线路用绝缘子-直流系统用瓷或玻璃绝缘子元件-定义,试验方法和接收准则
Insulators for overhead lines with a nominal voltage above 1000V-Ceramic or glass insulator units for d.c. systems-Difinitions,test methods and acceptance criteria
GBT19443-2004, GB19443-2004