Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/6831
Is Reference of Portland cement-da#Sense
Portland cement-en#Sense
Portlandcement-da#Sense
Cemento de Pórtland-es#Sense
Cemento artificial-es#Sense
Cemento Portland-it#Sense
Portland-Zement-de#Sense
Τεχνητόν τσιμέντον-el#Sense
Portlandcement-sv#Sense
Τσιμέντον Portland-el#Sense
Portland cement-nl#Sense
Cimento Portland-pt#Sense
Ciment portland-fr#Sense
Cimento <i>portland</i>-pt#Sense
Portlandsementti-fi#Sense
Portlandzement-de#Sense
Portland cement-en#Sense
Portlandcement-nl#Sense
Ciment Portland-fr#Sense