GB/T 19520.12-2009 电子设备机械结构 482.6mm(19in)系列机械结构尺寸 第3-101部分:插箱及其插件 Mechanical structures for electronic equipment - Dimensions of mechanical structures of the 482.6 mm (19 in) series - Part 3-101: Subracks and associated plug-in units
Mechanical structures for electronic equipment - Dimensions of mechanical structures of the 482.6 mm (19 in) series - Part 3-101: Subracks and associated plug-in units