PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • BACKGROUND OF INVENTION [0003] The present invention relates to the field of data transmission systems for downhole environments, such as along a drill string used in oil and gas exploration or along casings or other equipment used in oil and gas production.
http://www.w3.org/ns/prov#wasQuotedFrom
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