Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Gasometro umido-it#Sense
( nasser ) Glockengasbehaelter-de#Sense
Water-seal gas holder-en#Sense
Natte gashouder-nl#Sense
Gazomètre humide-fr#Sense
Υδατοστεγανό δοχείο αερίου-el#Sense