Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/2841004
Is Reference of Perforatio-nl#Sense
Perforation-de#Sense
Διάτρησις-el#Sense
Gennemboring-da#Sense
Perforatie-nl#Sense
Perforation-da#Sense
Perforación-es#Sense
Perfuração-pt#Sense
Perforazione-it#Sense