发展中的电子设备构体机械结构模数序列 第2-3部分:分规范 25mm设备构体的接口协调尺寸 扩展的详细规范 插箱、机箱、背板、面板和插件的尺寸
Modular order for the development of mechanical structures for electronic equipment practices - Part 2-3: Sectional specification - Interface co-ordination dimensions for the 25mm equipment practice - Extended detail specification - Dimensions for subracks, chassis, backplanes, front panels and plug-in units