Draft Document - Cable management systems - Specifications for conduit fittings and accessories for cable installations for extra heavy duty electrical steel conduit (IEC 23A/844/CD:2017); Text in German and English
文件草案——电缆管理系统——超重型电气钢导管电缆安装用导管配件和附件规范(IEC 23A/844/CD:2017);德语和英语文本