About: http://webisa.webdatacommons.org/6066611

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 FIG. 1, an ambient or outdoor air stream may befirst passed through an air filter (not shown) to remove material such as dust particles and bugs, for example, before being passed along line 4 to desiccant wheel 8.
http://www.w3.org/ns/prov#wasQuotedFrom	patentgenius.com