<http://webisa.webdatacommons.org/prov/335238442>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/428279051> .
<http://webisa.webdatacommons.org/428279051>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/428279051>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<freepatentsonline.com> .
<http://webisa.webdatacommons.org/428279051>	<http://www.w3.org/ns/prov#value>	"lines, valves and other equipment." .