P O http://iconclass.org/46C154%28%2B74812%29

signal system (railway, tramway) (+ animal(s) changing external appearance in winter)

TTL NT
S P O skos:broader
S P O http://iconclass.org/46C154%28%2B7481%29
S P O skos:prefLabel
S P O signal system (railway, tramway) (+ animal(s) changing external appearance in winter)