Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Perforadora-es#Sense
Aparato de perforación-es#Sense
Appareil de forage-fr#Sense
Bohranlage-de#Sense
Boorinstallatie-nl#Sense
Γεωτρύπανον-el#Sense
Aparelho de perfuração-pt#Sense
Rig-en#Sense
Porauslaite-fi#Sense
Borrigg-sv#Sense