<http://webisa.webdatacommons.org/152903215>	<http://www.w3.org/ns/prov#value>	"In one preferred approach, the assembly of elongate, hinged, side-by-side panels alternatively forms a sturdy container for the collapsed mounting assembly, and a stable platform for supporting sheet music or other materials." .
<http://webisa.webdatacommons.org/152903215>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/61034864>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/152903215> .
<http://webisa.webdatacommons.org/152903215>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<patents.com> .