| 摘要 |
The support comprises at least one sheet of a substantially rigid and foldable material having the presentation face (11), stressing means (10, 20, 21) for bending the presentation face (11) of the sheet and means (9, 19, 5) for keeping the presentation face (11) of the sheet in the bent state, which holding means oppose the stressing means (10). The holding means opposing the stressing means (10) for keeping the presentation face (11) of the sheet bent are designed so that their action is exerted at discreet points distributed along the presentation face (11) of the sheet by a plurality of strips (9).
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