<http://webisa.webdatacommons.org/prov/11740519>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/382570474> .
<http://webisa.webdatacommons.org/prov/234479539>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/382570474> .
<http://webisa.webdatacommons.org/382570474>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.co.uk> .
<http://webisa.webdatacommons.org/382570474>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/382570474>	<http://www.w3.org/ns/prov#value>	"In some embodiments, centralizer 672 is made from polymers such as PFA or PEEK???." .