{"iri":"https://spec.edmcouncil.org/fibo/ontology/DER/DerivativesContracts/CommoditiesContracts/OilGrade","label":"oil grade","definition":"measure of the viscosity of oil during operation","license":"https://spdx.org/licenses/MIT","source":"fibo","source_url":"https://spec.edmcouncil.org/fibo/"}