| 摘要 |
The invention relates to a device for the storage of perforated sheets, comprising two lateral parts 1, 2 forming covers hinged to a middle part 3, and releasable sheet securing means, the device being characterised in that the releasable securing means consist of at least one flexible strip 6, one end of which is attached to one of the lateral parts close to its hinge with the middle part, and the other end of which comprises locking means 8 designed to cooperate with complementary means 10 arranged on the other lateral part close to its hinge with the middle part. <IMAGE>
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