| 摘要 |
<p>Showcase (1) made up of a support structure (2), with a flat portion (9) and an upper portion (3) for holding sheets (8), wherein the upper portion (3) is configured as a housing with at least one eyelet-configured open end (4) so as to contain a plurality of rolling ball elements (10,10',10") adapted to hold the sheet (8) against the flat portion (9) given that the sheet (8) is inserted in the upper portion (3).</p> |
