PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • a sleeve including an end having a cutting edge defined therein to engage lining material in tubing in a well; and a blade connected to an inner surface of the sleeve such that the blade engages lining material when the sleeve is rotated in lining in the well. 48.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com