| 摘要 |
In a heat treatment apparatus, the direction of the magnetic field generated by the magnetic field generating device in the region in which the object of treatment is heat-treated and the conveying direction of the conveying device in which the object of treatment is conveyed into the heat treatment vessel are in parallel with each other, and are in parallel with the horizontal direction of the entire heat treatment apparatus. The object of treatment is heat-treated with the main surface thereof arranged in parallel with the direction of the magnetic field generated by the magnetic field generating device in the heat treatment region.
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