Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Construction tubulaire-fr#Sense
Röhrenbauweise-de#Sense
Σωληνωτή κατασκευή-el#Sense
Costruzione tubolare-it#Sense
Construcción tubular-es#Sense
Tubular construction-en#Sense
Rørkonstruktion-da#Sense
Constructie in buisvorm-nl#Sense
Skinstressed structure-en#Sense
Röhrenkonstruktion-de#Sense