About: http://webisa.webdatacommons.org/447527226

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	Support ring 172 may be made of a metallic material, such as aluminum, but the invention is not intended to be limited to this particular material.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com