Iskani niz je bil najden v PREVODIH:
Anforderungsstufe
en classification grade, performance level, performance class , quality class, requirement category
Bewertungsgruppe
en acceptance level, classification group, classification, quality class, quality grade
Gütegrad
en Q-factor, class of quality, class, degree of quality, efficiency factor, efficiency, exergetic efficiency, exergetic grade, figure of merit, grade of accuracy, grade, quality class, quality factor, quality grade, quality level, quality standard, quality, thermal grade