About: http://webisa.webdatacommons.org/65617550

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	The system of claim 15 wherein each of said wheel assemblies is a wheel, and said periphery includes a triangular groove and said third surface includes a bevel.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com