FIELD: food storage and reprocessing equipment. SUBSTANCE: apparatus has columns for securing trays with product to be subjected to sublimation process, telescopic column bars slidable in vertical plane. Bar cavities are filled with working fluid and communicated with hydraulic high-pressure source. Working fluid supply regulator is electrically connected through program device with product temperature control sensors and sensors for controlling pressure in sublimation chamber. EFFECT: increased efficiency and prolonged storage time. 3 dwg
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