Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Preventief onderhoud-nl#Sense
Forebyggende vedligeholdelse-da#Sense
Förebyggande underhåll-sv#Sense
Προληπτική συντήρηση-el#Sense
Preventive maintenance-en#Sense
Vorbeugende Instandhaltung-de#Sense
Entretien préventif-fr#Sense
Revisión-es#Sense
Manutenção preventiva-pt#Sense
Ennaltaehkäisevä huolto-fi#Sense