@prefix c0x: <http://data.loterre.fr/ark:/67375/C0X> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix dc11: <http://purl.org/dc/elements/1.1/> .

c0x:-QKS5H76N-K
  skos:prefLabel "FFP-mask"@en, "masque FFP"@fr ;
  a skos:Concept ;
  skos:narrower c0x:-Z29M8269-2 .

c0x:-Z29M8269-2
  skos:prefLabel "masque FFP2"@fr, "FFP2-mask"@en ;
  skos:broader c0x:-QKS5H76N-K ;
  skos:inScheme c0x: ;
  skos:altLabel "class 2 filtering facepiece mask"@en, "FFP2 mask"@en, "class 2 filtering facepiece (FFP) mask"@en ;
  skos:definition "FFP2 masks with exhalation valve : Aerosol filtration percentage: Not less than 94%. Internal leak rate: Maximum 8% (Wikipedia)"@en ;
  dc11:creator "Patricia Fener" ;
  skos:exactMatch <https://en.wikipedia.org/wiki/FFP_standards#FFP2_mask> ;
  a skos:Concept .

c0x: a skos:ConceptScheme .