IEC 60917-2-2:1994
电子设备用机械结构设计模型化规则 第2部分:分规范 25mm设备接口配合尺寸 第2节:详细规范 分机柜、机架、底板、前面板和插入单元尺寸
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 subracks,