era:concepts/legacy-radio-systems/LegacyRadioSystems
http://data.europa.eu/949/concepts/legacy-radio-systems/LegacyRadioSystems
rdfs:comment
http://www.w3.org/2000/01/rdf-schema#comment
Concept scheme grouping legacy radio systems
@en
era:concepts/
http://data.europa.eu/949/concepts/