About: http://webisa.webdatacommons.org/190562937

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	For the embodiments, the purge gas source 302 may include a pressurized vessel such as a tank, a cylinder or some other vessel.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com