About: http://webisa.webdatacommons.org/232199614

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	Some of these prior art devices are mounted in large housings that contain fans, filters, and other complicated moving parts.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com