FIELD: cryogenic engineering. SUBSTANCE: device for freezing biological objects has chamber in form of metal unit with holes for specimens, temperature presetting unit and cooling/heating device which has thermal element whose one working surface adjoins the chamber, cold accumulator at high heat capacity and heat conductivity which are arranged in succession providing for thermal contact among them; device is also provided with cooler. EFFECT: enhanced efficiency. 3 cl, 3 dwg
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