Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Σιδηροσκωρία-el#Sense
Scorie di ghisa-it#Sense
Slak-nl#Sense
Crasse de fonte-fr#Sense
Iron slag-en#Sense
Roheisenschlacke-de#Sense
Σκωρία αργού σιδήρου-el#Sense