Mechanical structures for electronic equipment - Dimensions of mechanical structures of the 482.6 mm (19 in) series - Part 3-103: Keying and alignment pin (IEC 60297-3-103:2004); German version EN 60297-3-103:2004
电子设备的机械结构.482.6mm(19in)系列机械结构的尺寸.第3-103部分:键控和定位销(IEC 60297-3-103-2004);德文版EN 60297-3-103:2004