About: http://webisa.webdatacommons.org/200240202

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	The circuits 20, 21 and 23 are discussed only in general terms, mainly to show the environment in which the present invention is used.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com