About: http://webisa.webdatacommons.org/54414469

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	According to one embodiment, the extension arm comprises a forearm extension that has at one end a first coupling for attachment to a tilter, a platform or other means for supporting a flat-screen device.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com