About: http://webisa.webdatacommons.org/329914300

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	In operation, with the projectile 24 held in position by the restraining device 32, pressure is built up in the precharge by using an inert gas such as carbon dioxide.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com