PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • However, when forming needles in accordance with the present invention, the grinding wheel is preferably of the electroplated type having a pre-shaped, pre-dressed core made of aluminum or other suitable material and plated with a superabrasive such as cubic boron nitride which is available from the General Electric Company under the tradename Borazon.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com