GB/T 19290.4-2009
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 2-2:Sectional specification.Interface co-ordination dimensions for the 25 mm equipment practice.Detail specification.Dimensions for subrack,chassis,backplan
GBT19290.4-2009, GB19290.4-2009