About: http://webisa.webdatacommons.org/320798786

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	A concrete form as defined in claim 3 wherein said plastic foam is a polystyrene.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com