About: http://webisa.webdatacommons.org/23501989

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	Other shapes, such as triangles, or shallow arcuate louvers are feasible, if not optimum; and are considered within the scope of the invention.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr