PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Yet another object of the present invention is the provision of a cleaning process and apparatus for cleaning a variety of surfaces, including but not limited to floor surfaces, stairways, walls, and upholstered furniture or other fabric surfaces.
http://www.w3.org/ns/prov#wasQuotedFrom
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