About: http://webisa.webdatacommons.org/20264767

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 the present invention such artifacts can be further reduced by the use of acoustic lenses 62 made of an acoustically attenuating material, such as polyethylene.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es