GB/T 19520.16-2015
电子设备机械结构 482.6mm(19in)系列机械结构尺寸 第3-100部分:面板、插箱、机箱、机架和机柜的基本尺寸
Mechanical structures for electronic equipment.Dimension of mechanical structures of the 482.6 mm (19 in) series.Part 3-100: Basic dimensions of front panels, subracks, chassis, racks and cabinets
GBT19520.16-2015, GB19520.16-2015