DIN EN ISO 9999 Berichtigung 1:2009-09
Отменен
Assistive products for persons with disability - Classification and terminology (ISO 9999:2007); German version EN ISO 9999:2007, Corrigendum to DIN EN ISO 9999:2007-06; German version EN ISO 9999:2007/AC:2009
— 2 стр.
