Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Mörkt märke-sv#Sense
Pimennysmerkki-fi#Sense
Rektangulært strobemærke-da#Sense
Well-strobe marker-en#Sense
Marcatore stroboscopico a discontinuità rettangolare-it#Sense
Marcador en almena-es#Sense
Créneau-fr#Sense
Putmerk-nl#Sense
U-Marke-de#Sense