| 摘要 |
A plurality of frame members. Each of the frame members have a truncated pyramid shape of successively reduced size. The members are able in one condition, to be stacked one upon the other to form an enlarged truncated pyramid shape box and in a second condition to be nested one within the other. A cover for the uppermost one of the members and a plate insertable in a slot in a wall of the frame member to partition the box are provided.
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