IEC 60297-3-109:2015
電氣和電子設備用機械結構. 482.6 mm (19 in) 系列機械結構尺寸. 第3-109部分: 嵌入式計算設備的底盤尺寸
Mechanical structures for electrical and electronic equipment - Dimensions of mechanical structures of the 482,6 mm (19 in) series - Part 3-109: Dimensions of chassis for embedded computing devices