PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Is mainly engaged in flame retardant technology, scientific research, production and sales of industrial and mining enterprises, commercial companies, universities, research institutes, companies and other units.
http://www.w3.org/ns/prov#wasQuotedFrom
  • ezinemark.com