| 摘要 |
<p>The card index has a case for cards of rectangular shape. It is open at the top and of rigid material, such as hard plastics. Separate documents can be placed between the cards. A pocket (20,26) is welded on to the card (14) along a line (21) along its base. The pocket can be bent along its top edge (27) and on one side (23). The pocket is open at the top and its top edge is higher than the top of the card. The pocket is of transparent sheet with dimensions roughly those of the card.</p> |
