About: http://webisa.webdatacommons.org/217949978

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 method, according to claim 1, wherein said inert gas is principally carbon dioxide.3.
http://www.w3.org/ns/prov#wasQuotedFrom	patentgenius.com