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DIN EN ISO 9241-20:2009-08

Отменен
Ergonomics of human-system interaction - Part 20: Accessibility guidelines for information/communication technology (ICT) equipment and services (ISO 9241-20:2008); German version EN ISO 9241-20:2009 — 51 стр.
DIN EN ISO 9241-20:2009-08
Отменен