About: http://webisa.webdatacommons.org/264824468

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	In a preferred form, the first seal support ring 120 comprises an inner portion 124, formed of a metal such as steel or the like, and an outer portion 126, which is formed of a flexible elastomeric material such as rubber or the like.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com