Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Effective quality factor-en#Sense
Fattore di qualità efficace-it#Sense
Ενεργός συντελεστής ποιότητας-el#Sense
Effectieve kwaliteitsfactor-nl#Sense
Facteur de qualité effectif-fr#Sense
Effektiv kvalitetsfaktor-da#Sense
Fator de qualidade efetivo-pt#Sense
Effektiver Qualitätsfaktor-de#Sense
Factor de calidad efectivo-es#Sense