<http://webisa.webdatacommons.org/prov/318902174>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/15074430> .
<http://webisa.webdatacommons.org/15074430>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<patents.com> .
<http://webisa.webdatacommons.org/15074430>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/15074430>	<http://www.w3.org/ns/prov#value>	"Individual abrasive grains suitable for the present invention are well-known in the art and include, but are not limited to, aluminum oxide (Al.sub.2 O.sub.3), zirconium oxide, garnet, emery, corundum, alumina:zirconia, carbides, such as silicon" .
<http://webisa.webdatacommons.org/prov/436239337>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/15074430> .