| 摘要 |
A basic container has at least one expansion element which can be moved out of the basic container. A lifting device permits lowering of the expansion element such that, after the expansion element has been moved out of the basic container, the floor wall of the expansion element and the basic container are situated at the same level. An expansion element can be lifted such that, after the lowering, the expansion element can be moved back into the basic container. The lifting device is active between the folded-open side wall and the expansion element.
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