PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • valve, in particularly along the surfaces by which the rotor contacts one of the stators, especially near the radial position of the passages through the rotor.
http://www.w3.org/ns/prov#wasQuotedFrom
  • patents.com