About: http://webisa.webdatacommons.org/251923190

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	Thus various gases may be employed in the present invention, including nitrogen, carbon dioxide, inert gases such as argon or helium, and mixtures of any of the foregoing gases.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es