BS EN 60191-4:2000 Mechanical standardization of semiconductor devices-Coding system and classification into forms of package outlines for semiconductor device packages
2018BS EN 60191-4:2014+A1:2018 Mechanical standardization of semiconductor devices - Coding system and classification into forms of package outlines for semiconductor device packages
2014BS EN 60191-4:2014 Mechanical standardization of semiconductor devices. Coding system and classification into forms of package outlines for semiconductor device packages
2003BS EN 60191-4:2000 Mechanical standardization of semiconductor devices-Coding system and classification into forms of package outlines for semiconductor device packages