<http://webisa.webdatacommons.org/prov/283878560>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/291263299> .
<http://webisa.webdatacommons.org/291263299>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/291263299>	<http://www.w3.org/ns/prov#value>	"In an exemplary embodiment of the invention, the structural material is a hardening material." .
<http://webisa.webdatacommons.org/291263299>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/prov/61168852>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/291263299> .