About: http://webisa.webdatacommons.org/8304225

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 grinding wheel according to claim 1, wherein said composition of said inner core portion further includes, as an aggregate, an inorganic filler selected from a group including a glass fiber and an abrasive material.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com