| 摘要 |
PROBLEM TO BE SOLVED: To provide a box constituted so that the deformation due to a noise and a vibration can be reduced, and to provide an image forming apparatus using the box. SOLUTION: The box is provided with several ribs R and several flat parts H surrounded by several ribs R on the bottom face, and as for several flat parts H, one of the flat parts H adjacent to other flat parts H across the ribs is made differ from others in terms of face-level. COPYRIGHT: (C)2003,JPO
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