PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • refrigerant condenser, 50 is a heat exchanger, and 51 is a refrigerant expansion valve, and 52 is a membrane separation unit.
http://www.w3.org/ns/prov#wasQuotedFrom
  • patents.com