Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Κύριος νομέας-el#Sense
Couple fort-fr#Sense
Armação principal-pt#Sense
Main frame-en#Sense
Ordinata di forza-it#Sense
Hauptspant-de#Sense
Κύριο δομικό πλαίσιο-el#Sense
Cuaderna maestra-es#Sense
Hoofdspant-nl#Sense
Cuaderna principal-es#Sense