<http://webisa.webdatacommons.org/50053587>	<http://www.w3.org/ns/prov#value>	"A suitable material of construction for the pig feeder 1 is a plastic material, preferably such as high density polyethylene, but may be metal, or the like." .
<http://webisa.webdatacommons.org/50053587>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<patents.com> .
<http://webisa.webdatacommons.org/prov/426357840>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/50053587> .
<http://webisa.webdatacommons.org/50053587>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .