发明授权
US4726195A Cryogenic forced convection refrigerating system 失效
低温强制对流制冷系统

Cryogenic forced convection refrigerating system
摘要:
A process and apparatus are set forth for a refrigerating or freezing system wherein liquid cryogen, such as liquid air, is fully vaporized during use to avoid dangers of liquid cryogen pooling, liquid cryogen contact with apparatus surfaces or inadvertent oxygen enrichment.
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