schema:sku leaf node

@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix schema: <https://schema.org/> .
@prefix unece: <http://unece.org/vocab#> .

schema:sku a rdf:Property ;
    rdfs:label "sku" ;
    rdfs:comment "The Stock Keeping Unit (SKU), i.e. a merchant-specific identifier for a product or service, or the product to which the offer refers." ;
    rdfs:subPropertyOf schema:identifier ;
    owl:equivalentProperty unece:sellerAssignedId ;
    schema:contributor <https://schema.org/docs/collab/GoodRelationsTerms> ;
    schema:domainIncludes schema:Demand,
        schema:Offer,
        schema:Product ;
    schema:rangeIncludes schema:Text .