skosConcept prefLabel altLabel
http://data.europa.eu/949/concepts/contact-strip-materials/rinf/10
"copper"
http://data.europa.eu/949/concepts/contact-strip-materials/rinf/20
"plain carbon"
http://data.europa.eu/949/concepts/contact-strip-materials/rinf/30
"copper steel"
http://data.europa.eu/949/concepts/contact-strip-materials/rinf/40
"copper alloy"
http://data.europa.eu/949/concepts/contact-strip-materials/rinf/50
"impregnated  carbon (% of metallic content)"
http://data.europa.eu/949/concepts/contact-strip-materials/rinf/60
"carbon with additive material"
http://data.europa.eu/949/concepts/contact-strip-materials/rinf/70
"carbon with cladded copper"
http://data.europa.eu/949/concepts/contact-strip-materials/rinf/80
"sintered copper"
http://data.europa.eu/949/concepts/contact-strip-materials/rinf/90
"other"