IEC 61084-2-1-1996
电气装置用电缆槽和管道系统 第2部分:特殊要求 第1节:安装在墙上或天花板上的电缆槽和管道系统
Cable trunking and ducting systems for electrical installations - Part 2: Particular requirements - Section 1: Cable trunking and ducting systems intended for mounting on walls or ceilings