GB/T 19520.15-2009 Mechanical structures for electronic equipment - Dimensions of mechanical structures of the 482.6 mm (19 in) series - Part 3-104: Connector dependent interface dimensions of subracks and plug-in units
Mechanical structures for electronic equipment - Dimensions of mechanical structures of the 482.6 mm (19 in) series - Part 3-104: Connector dependent interface dimensions of subracks and plug-in units