PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • SUMMARY OF THE INVENTION In view of the foregoing disadvantages inherent in the known types of watering apparatus now present in the prior art, the present invention provides a watering arbor apparatus wherein the same permits selective metering and visual observation of fluid contained within the tubular apparatus to an underlying distribution head.
http://www.w3.org/ns/prov#wasQuotedFrom
  • freepatentsonline.com