PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The present inventions relate to sand-control apparatus for use in subterranean wells, and in particular contemplate improved mechanical apparatus for attaching a sand-control screen jacket assembly to a base pipe and methods of using the same.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com