Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Perforering-sv#Sense
Σειρά οπών-el#Sense
Perforatie-nl#Sense
Agujero perforado-es#Sense
Perforeret-da#Sense
Trou perforé-fr#Sense
Perfuração-pt#Sense
Perforation-de#Sense
Perforated hole-en#Sense
Perforoitu-fi#Sense