About: http://webisa.webdatacommons.org/165873483

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	Accordingly, when an erosion buffer of the general type described in the applicant's aforesaid prior-U.S. patent is called for, a relatively inert material, such as PVC, is used rather than activated charcoal.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au