| 摘要 |
The supporting frame (6) is rectangular in plan view, and has uprights (2, 3) at the corners protruding above and below it. Feet (2a, 3a) are mounted on the bottom ends of the uprights, and at the longer sides remain within the outline when seen in plan view. The rack can be used to form a stack with other identical ones, sockets being formed in the feet fore the top ends of uprights of a rack below. Each socket can be enclosed in the rack lengthwise direction by two walls sloping in opposite directions. In the transverse direction enclosure can be by a vertical stop plate.
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