GB/T 19520.22-2023电气和电子设备机械结构482.6mm(19in)系列机械结构尺寸第3-110部分:智慧房屋用住宅机架和机柜国家标准
英文:Mechanical structures for electrical and electronic equipment—Dimensions of mechanical structures of the 482.6 mm (19...
英文:Mechanical structures for electrical and electronic equipment—Dimensions of mechanical structures of the 482.6 mm (19...