| 摘要 |
PROBLEM TO BE SOLVED: To supply a large quantity of a cold insulating agent suitable for food refrigeration in a day cycle. SOLUTION: The internal temperature of a refrigerator comprising a compressor of 1,000 W or more is set to -40°C or lower, and the cold insulating agent having a freezing retention temperature of -25°C or lower is put therein with clearances. COPYRIGHT: (C)2005,JPO&NCIPI
|
