GB/T 34937-2017架空线路绝缘子标称电压高于1500V直流系统用悬垂和耐张复合绝缘子定义、试验方法及接收准则国家标准
英文:Insulators for overhead lines—Composite suspension and tension insulators for d.c.systems with a nominal voltage grea...
英文:Insulators for overhead lines—Composite suspension and tension insulators for d.c.systems with a nominal voltage grea...