| 摘要 |
PROBLEM TO BE SOLVED: To omit a stage for removing moisture in the process of manufacturing a displacer, and to stabilize refrigeration performance. SOLUTION: Cylindrical members 40, 70 for housing a cool storage material 14 are formed of a FRP material having low water absorbing capacity. The FRP material is made of a GFRP or a CFRP material. COPYRIGHT: (C)2004,JPO&NCIPI
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