| 摘要 |
The installation has a low-pressure stage (12) and at least one high-pressure stage (13) mounted in a compound arrangement comprising on the one hand utilisation points (14, 15), specific to each of these stages and having evaporation temperatures which are respectively different, and on the other hand a refrigerating circuit feeding all these utilisation points with liquid refrigerant under the same high pressure, coming from a condensed refrigerant reservoir (28) which is common to these stages. <IMAGE>
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