About: http://webisa.webdatacommons.org/125894934

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	As a material for the formation of the corrugated core, use may be made of paper, asbestos paper, plastic, polyurethane, FRP and metal such as aluminum, iron, copper and the like.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com