About: http://webisa.webdatacommons.org/31990764

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	Referring to FIG. 5, a preferred embodiment of the invention is described below, wherein said control unit is a computer keyboard.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es