Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Ηλεκτρονόμος ανάστροφου ρεύματος-el#Sense
Disjoncteur directionnel-fr#Sense
Rückstromrelais-de#Sense
Tilbagestrømsrelæ-da#Sense
Keerstroomrelais-nl#Sense
Relé differenziale-it#Sense
Disjuntor direcional -pt#Sense
Reverse-current relay-en#Sense
Disyuntor direccional-es#Sense