About: http://webisa.webdatacommons.org/332624723

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	Blowing agent source 20 may supply any type of physical blowing agent known to those of ordinary skill in the art including nitrogen, carbon dioxide, hydrocarbons, chlorofluorocarbons, nobel gases and the like, or mixtures thereof.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com