Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Poikittaistasain-fi#Sense
Nivel transversal-es#Sense
Niveau evenwijdig aan de tweede as-nl#Sense
Vaaka-akselin tasain-fi#Sense
Transverse level-en#Sense
Εγκάρσια αεροστάθμη-el#Sense
Tvärlibell-sv#Sense
Niveau transversal-fr#Sense
Alidadlibell-sv#Sense
Querlibelle-de#Sense
Nível transversal-pt#Sense
Horisontalakselibelle-da#Sense
Εγκάρσια χωροστάθμηση-el#Sense
Cross level-en#Sense