About: http://webisa.webdatacommons.org/322680660

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 spacer 460 is shown as a sphere but could be a different shape such as a cylinder or the like.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com