Amendment 1 - Cable trunking systems and cable ducting systems for electrical installations - Part 2-2: Particular requirements - Cable trunking systems and cable ducting systems intended for mounting underfloor, flushfloor, or onfloor
修改件1.电气装置用电缆槽系统和电缆管道系统.第2-2部分:特殊要求.用于安装地板下、地板上或地板上的电缆槽系统