Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Codice di perforazione-it#Sense
Korttikoodi-fi#Sense
Κώδικας διάτρητης κάρτας-el#Sense
Hålkortskod-sv#Sense
Código de perfuração-pt#Sense
Kortkode-da#Sense
Reikäkorttikoodi-fi#Sense