| 摘要 |
<p>The present invention relates to a refrigerator using a vacuous insulator. Particularly, a refrigerator door comprises a space unit having a predetermined volume, a housing having a hole for linking an internal and external part with the space unit, and a core which is open cell polyurethane foam formed by foaming solution, wherein the foaming solution is filled up in the space unit through the hole.</p> |
