GB/T 19519-2014
架空線路絕緣子 標稱電壓高于1 000 V交流系統用懸垂和耐張復合絕緣子 定義、試驗方法及接收準則
Insulators for overhead lines.Composite suspension and tension insulators for a.c. systems with a nominal voltage greater than 1 000 V.Definitions, test methods and acceptance criteria
GBT19519-2014, GB19519-2014