| 摘要 |
PROBLEM TO BE SOLVED: To provide a cooler of portable size capable of cooling objects of various shapes in a short time. SOLUTION: The cooler comprises a liquefied gas jet part 1 for jetting liquefied gas, and a flexible bag member 2 covering the liquefied gas jet part 1 and at least a part of a cooled object X. COPYRIGHT: (C)2007,JPO&INPIT
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