GB/T 19290.2-2003
发展中的电子设备构体机械结构模数序列 第2部分;分规范 25mm设备构体的接口协调尺寸
Modular order for the development of mechanical structures for electronic equipment practices-Part 2: Sectional specification-Interface co-ordination dimensions for the 25mm equipment practice
GBT19290.2-2003, GB19290.2-2003