CSN EN 60297-5-104 ZZ1-2005 Mechanical structure of electronic equipment. Mechanical Structure Specifications Range 482.6 mm (19 inches) Part 5-104: Skeleton and Related Plug-in Units - Keying
2005CSN EN 60297-5-104 ZZ1-2005 Mechanical structure of electronic equipment. Mechanical Structure Specifications Range 482.6 mm (19 inches) Part 5-104: Skeleton and Related Plug-in Units - Keying