| http://www.w3.org/ns/prov#value | - Following evacuation, the pressure vessel can be filled with a desired gas such as carbon dioxide to a predetermined, controlled and maintained pressure, above atmospheric pressure, such as 12 psi or up to 250 psi or higher, and held at a predetermined pressure for a period of time that will allow sufficient carbon dioxide gas to dissolve in the perishable goods contained in the finished packages
|
