发展中的电子设备构体机械结构模数序列 第2-2部分:分规范 25mm设备构体的接口协调尺寸 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: Sectional specification - Interface co-ordination dimensions for the 25 mm equipment practice - Section 2: Detail specification - Dimensions for subrack, chassis, backplanes, front panels and plug-in unit