PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A process according to claim 2, including impregnating the cathode holder and part compressed by the dies with emission material useful to produce a cathode for electron beam tubes.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com