发展中的电子设备构体机械结构模数序列 第2-1部分:分规范 25mm设备构体的接口协调尺寸 详细规范 机柜和机架的尺寸
Modular order for the development of mechanical structures for electronic equipment practices - Part 2-1: Sectional specification - Interface co-ordination dimensions for the 25 mm equipment practice - Detail specification - Dimensions for cabinets and racks