About: http://webisa.webdatacommons.org/113098639

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 body preferably includes a plurality of circumferentially spaced, radially outwardly projecting bosses formed thereon, one of the bosses being spaced longitudinally from two others of the bosses.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com