http://bipm.org/jcgm/vim4#per
Property vim4:per

rdfs:label

per

oml:relationEntity

vim4:Per

oml:type

oml:ForwardRelation

rdf:type

owl:ObjectProperty

rdfs:domain

vim4:MeasurementProcedure

rdfs:range

vim4:MeasurementPrinciple

rdfs:subPropertyOf

vim4:per