Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Trou de clavette-fr#Sense
Pilot hole-en#Sense
Leigat-nl#Sense
Ohjausreikä-fi#Sense
Führungsloch-de#Sense
Orifício piloto da transmissão-pt#Sense
Οπή οδηγός-el#Sense
Foro di chiavetta-it#Sense
Agujero guía-es#Sense
Agujero de chaveta-es#Sense