EN 60297-3-105-2009 电子设备用机械结构.482.6 mm(19 in)系列的机械结构的尺寸.第3-105部分:1U高底盘的尺寸和外形设计
Mechanical structures for electronic equipment - Dimensions of mechanical structures of the 482,6 mm (19 in) series - Part 3-105: Dimensions and design aspects for 1U high chassis