UNE-EN 60297-3-101:2004
電子設備機械結構 482.6 毫米(19 英寸)系列機械結構尺寸 第3-101部分:子架和相關插件單元
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 (Endorsed by AENOR in November of 2004.)