About: http://webisa.webdatacommons.org/193553491

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	The rolls of such arrangements or discs may be constructed of steel or other materials satisfactory for the intended use conditions as will be apparent to those skilled in the art.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr