About: http://webisa.webdatacommons.org/312025807

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	BACKGROUND OF THE INVENTION [0002] Many types of machines use fluids such as oil, lubricant or hydraulic fluid.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com