Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Ελικοειδής ράβδωση-el#Sense
Canelura helicoidal-pt#Sense
Scanalatura elicoidale-it#Sense
Draaiend schuifrad-nl#Sense
Schräge Rille-de#Sense
Skråtstillede ribber-da#Sense
Ελικοειδής αυλάκωση-el#Sense
Cannelure hélicoïdale-fr#Sense
Canaleta helicoidal-es#Sense
Helical fluting-en#Sense