Ergonomics of human-system interaction - Part 20: Accessibility guidelines for information/communication technology (ICT) equipment and services (ISO 9241-20:2008)
NORM herausgegeben am 1.7.2009
Designation standards: ÖNORM EN ISO 9241-20
Note: UNGÜLTIG
Publication date standards: 1.7.2009
The number of pages: 49
Approximate weight : 147 g (0.32 lbs)
Country: Austrian technische Norm
Kategorie: Technische Normen ÖNORM