| 摘要 |
A device for evacuating air from a receptacle containing deteriorative material and charging the receptacle with an inert gas. The device has a nozzle by which the receptacle may be charged. The nozzle is connected to a gas supply source having means for sensing air and gas contents and pressures. The device is operated to reduce the oxygen in the receptacle and discharge an inert gas into the receptacle while monitoring the oxygen content therein.
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