http://iso.org/iso-80000-4.2#reference-mass-density
Individual iso-80000-4.2:reference-mass-density

vim4:id

reference-mass-density

oml:type

oml:ConceptInstance

rdf:type

	vim4:GeneralProperty
	vim4:GeneralQuantity
	vim4:GeneralUnitaryQuantity
	vim4:IdentifiedElement
	owl:NamedIndividual
	owl:Thing

owl:sameAs

iso-80000-4.2:reference-mass-density