Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Ατέρμων κοχλίας-el#Sense
Arbre hélicoïdal-fr#Sense
Ελικοειδής άξονας-el#Sense
Spiralwelle-de#Sense
Eixo helicoidal-pt#Sense
Albero elicoidale-it#Sense
Helicoïdale as-nl#Sense
Helical shaft-en#Sense