乘客或货物用电动升降机|沙特标准|SASO-468
SASO-468
Electric lifts for passengers or goods – Part 3: Erection requirements
乘客或货物用电动升降机第3部分:安装要求
乘客或货物用电动升降机|沙特标准|SASO-468
SASO-468
Electric lifts for passengers or goods – Part 3: Erection requirements
乘客或货物用电动升降机第3部分:安装要求