<http://webisa.webdatacommons.org/66403470>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/66403470>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/66403470>	<http://www.w3.org/ns/prov#value>	"Suitable pieces of pyrolytic graphite for use in the present invention are available commercially from suppliers such as B. F. Goodrich, Inc." .
<http://webisa.webdatacommons.org/prov/330111807>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/66403470> .