IEC 60917-2-1-1993
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1节:详细技术条件 壳体和构架的尺寸
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 1: detail specification; dimensions for cabinets a