About: http://webisa.webdatacommons.org/89257154

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	A further object is to provide an air filter support frame of simple and economical'construction capable of holding a plurality of filter cartridges in sealing engagement without springs, clips, or other such separate retaining elements.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es