GB/T 19520.17-2010
ActiveMechanical structures for electronic equipment - Dimension of mechanical structures of the 482.6 mm(19 in)series - Part 3-105: Dimensions and design aspects for 1U high chassis
电子设备机械结构 482.6mm“(19in)系列机械结构尺寸 第3-105部分:1U高度机箱的尺寸和设计要求