About: http://webisa.webdatacommons.org/152903215

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
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://www.w3.org/ns/prov#wasQuotedFrom	patents.com