PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • he finishing technology, the coating mainly is the natural lacquer, tung oil, natural pigment and other substances, in the human history of the development of the coating is known as ???natural film-forming material period???.
http://www.w3.org/ns/prov#wasQuotedFrom
  • alibaba.com