<http://webisa.webdatacommons.org/prov/11740519>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/40646578> .
<http://webisa.webdatacommons.org/40646578>	<http://www.w3.org/ns/prov#value>	"In this embodiment the horizontal rods 544, 546 are preferably comprised of a polymer such as PEEK and mounted on the horizontal rods 544, 546 are first and second connectors 548, 550." .
<http://webisa.webdatacommons.org/40646578>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/40646578>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.es> .