Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/6821
Is Reference of Belüftungsrohr-de#Sense
Air refreshing tube-en#Sense
Ventilatieleiding-nl#Sense
Belüftungsschlauch-de#Sense
Ventilationsrør-da#Sense
Αγωγός αναέωσης αέρα-el#Sense
Tubo de ventilação-pt#Sense
Condotto di ventilazione-it#Sense
Tube de ventilation-fr#Sense
Tubo de ventilación-es#Sense