Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Ángulo de circulación-es#Sense
Åbningsvinkel-da#Sense
Stromflußwinkel-de#Sense
Openingshoek-nl#Sense
Angolo di circolazione-it#Sense
Virtauskulma-fi#Sense
Angle of flow-en#Sense
Ângulo de abertura-pt#Sense
Angle d'ouverture-fr#Sense
Γωνία ροής ρεύματος-el#Sense
Strömvinkel-sv#Sense