| 摘要 |
Upholstered element formed with an interior, particularly a cushion, mattress or similar includes a quadrangular, substantially flat structure having a plurality of flattened and coplanar bar-shaped members interconnected along their longitudinal sides by hinge members, the hinging members being rotatable in one direction only from the flat structure configuration characterized by opposite faces of a plurality of the members lying in respective coplanar planes.
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