JIS C6012-3-100-2015
电子设备的机械结构. 482.6 mm (19 in) 系列机械结构的尺寸. 第3-100部分: 前面板, 机箱, 机壳, 机架和机柜的基本尺寸
Mechanical structures for electronic equipment -- Dimensions of mechanical structures of the 482.6 mm (19 in) series -- Part 3-100: Basic dimensions of front panels, subracks, chassis, racks and cabinets