GB/T 19520.21-2023

Mechanical structures for electrical and electronic equipment—Dimensions of mechanical structures of the 482.6 mm (19 in) series—Part 3-109: Dimensions of chassis for embedded computing devices

电气和电子设备机械结构 482.6 mm(19 in)系列机械结构尺寸 第3-109部分：嵌入式计算设备的机箱尺寸