<http://webisa.webdatacommons.org/127523553>	<http://www.w3.org/ns/prov#value>	"Patente US6374440 - Back support - Google PatentesB???squeda Im???genes Maps Play YouTube Noticias Gmail Drive M???s ??Iniciar sesi???n B???squeda avanzada de patentesPatentesA back support provides a generally vertical and rigid panel removably installable along one edge of a bed, against which a person may brace his or her back or other body part as desired while reclining on the bed." .
<http://webisa.webdatacommons.org/127523553>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.es> .
<http://webisa.webdatacommons.org/prov/174850119>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/127523553> .
<http://webisa.webdatacommons.org/127523553>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .