| 摘要 |
PROBLEM TO BE SOLVED: To provide a low-temperature storage and a low-temperature storage system capable of preventing quality deterioration of a stored object and reducing cost for a coolant with a simple structure.SOLUTION: A low-temperature storage comprises an opening 111 and a plurality of holding racks 112 for holding a storage tray P. The plurality of holding racks 112 are provided in a vertical direction perpendicular to the surface of the storage tray P in a plurality of stages so as to be arranged side by side in a horizontal direction. At least one passage part 113 for allowing the storage tray P to pass through in the vertical direction is provided in each stage other than at least the farthest stage from the opening 111 of the vertical direction. |
