About: http://webisa.webdatacommons.org/82298628

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	For example, U.S. Pat. No. 3,064,292 shows a fan attached to the drive shaft for the polishing or other floor-maintenance element for drawing dust-laden air from adjacent the floor and discharging it through a dust-collection bag.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es