PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A foundation drainage system for draining water away from foundations buried under a soil surface, the foundation including a foundation wall and foundation footing, said system comprising:first drain means disposed along the footing for draining water away from the foundation; second drain means communicating with and extending upward from said first drain means for receiving water and relieving
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.es