About: http://webisa.webdatacommons.org/419601598

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	Needs exist for improved air handling systems which reduce and eliminate fine particles, including mold and spores, and other biological particles from air-circulating systems.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es