Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Perçage profond-fr#Sense
Dybdeboring-da#Sense
Βαθεία διάτρηση-el#Sense
Syvän reiän poraaminen-fi#Sense
Tiefbohren-de#Sense
Tieflochbohren-de#Sense
Forage d'un trou profond-fr#Sense
Syväporaaminen-fi#Sense
Deep hole drilling-en#Sense
Furação-pt#Sense
Diepboren-nl#Sense