Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/6821
Is Reference of Gewapend betonnen buisleiding met DWA-goot-nl#Sense
Tuyau en beton arme a cunette-fr#Sense
Stahlbeton-Kombirohr-de#Sense
Reinforced-concrete with dry-weather channel-en#Sense
Tubatura in cemento armato-it#Sense
Jernbetonkombirør-da#Sense