Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Circuit de commande-fr#Sense
Ohjauspiiri-fi#Sense
Circuito de mando-es#Sense
Stuurstroomkring-nl#Sense
Steuerstromkreis-de#Sense
Circuito di comando-it#Sense
Control circuit-en#Sense