PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • plug adapter invention in the U. S., and an even greater number of patents all over the world, including Canada, U.K., France, Germany, Saudi Arabia, India, Australia, China, etc. (please refer to our Patent page for a list of patents in 36 major countries).
http://www.w3.org/ns/prov#wasQuotedFrom
  • europlugs.com