PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The following are the drawing and examples of practice to further describe a ventilating exhaust fan with conveniently replaceable light source of the present invention:
http://www.w3.org/ns/prov#wasQuotedFrom
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