About: http://webisa.webdatacommons.org/226115879

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	This invention relates to oil filter systems in a mechanism requiring a high pressure lubricant (usually about 45 lb. per sq. in.) to lubricate the bearings and other sliding parts therein.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com