| 摘要 |
PROBLEM TO BE SOLVED: To provide a Sake warming bottle uniformly warming using an already existing microwave oven. SOLUTION: Diameters d-1, d-2, d-3, d-4 and d-5 are equalized in the vertical direction of the body 2 in which the Sake bottle W. The diameter of the neck part 3 formed by drawing at the upper body is made larger.
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