<http://webisa.webdatacommons.org/179401189>	<http://www.w3.org/ns/prov#value>	"The frame portion 11 may be constructed of tubular steel or other durable, rigid and strong material to support the weight of the bags when loaded." .
<http://webisa.webdatacommons.org/prov/294561551>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/179401189> .
<http://webisa.webdatacommons.org/179401189>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/179401189>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<freepatentsonline.com> .