Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/6831
Is Reference of Εγκιβωτισμός πηγής-el#Sense
Captazione di sorgente-it#Sense
Brøndforing-da#Sense
Well lining-en#Sense
Κτίσιμο πηγαδιού-el#Sense
Enchassure de puits-fr#Sense
Brunnenfassung-de#Sense