PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A basic body which consists of oxygen-free copper or an equivalent material such as silver or molybdenum and on which is galvanized a thin-walled, intermediary layer, likewise of oxygen-free copper or an equivalent material such as silver or molybdenum, and a thick-walled pressure jacket of nickel or a similar material with good strength characteristics, galvanized onto said intermediary layer.
http://www.w3.org/ns/prov#wasQuotedFrom
  • freepatentsonline.com