NF C93-464-3-107*NF EN 60297-3-107:2012 电子设备机械结构 482.6 mm(19 in)系列的机械结构尺寸规格 第3-107部分:小波形因数的插箱和插件尺寸规格
Mechanical structures for electronic equipment - Dimensions of mechanical structures of the 482,6 mm (19 in) series - Part 3-107 : dimensions of subracks and plug-in units, small form factor