PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • These products are mostly silicone items, and some of them are matched with other materials, such as plastics, ceramics,
http://www.w3.org/ns/prov#wasQuotedFrom
  • alibaba.com