| 摘要 |
The invention relates to a device 10 for binding perforated sheets 12, comprising a first bar 14 equipped with a series of projecting pins 16 on which perforated sheets may be secured, a second bar 18 also equipped with a series of projecting pins 20 on which perforated sheets can be secured, means 22, 24 for temporarily uniting the two bars in a closed position in which the pins 16 of one bar and the pins 20 of the other are in mutual contact and together form a series of closed rings, characterized in that at least one of the bars comprises a device 34 for attaching a back sheet 13. <IMAGE>
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