Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Porte équilibrée-fr#Sense
Deur met drijfkist-nl#Sense
Porta equilibrata-it#Sense
Balanced gate-en#Sense
Port med opdriftskammer-da#Sense
Gleichgewichtstor-de#Sense
Ligevægtsport-da#Sense
Balanceret stigbord-da#Sense
Puerta equilibrada-es#Sense
Ισοζυγισμένο θυρόφραγμα-el#Sense