PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • FIG. 32 is an improved means of practicing the basic concepts of the apparatus of FIG. 31 in which it is not necessary to provide means for returning fluid flow back to the mud pit.
http://www.w3.org/ns/prov#wasQuotedFrom
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