PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • U.S. Pat. No. 4,569,597 describes an apparatus for efficiently and uniformly blending solids, such as powders or other granular materials.
http://www.w3.org/ns/prov#wasQuotedFrom
  • freepatentsonline.com