About: http://webisa.webdatacommons.org/83669578

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	As used herein, gas refers to any gaseous fluid, such as air, sterilized air, oxygen, carbon dioxide, and the like; it is intended that the invention is not to be limited to the type of gas used.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com