| 摘要 |
Filing device comprising a rigid cover and a device for attaching removable sheets, the device being characterised in that the cover comprises a first, a second and a third stiff cover boards 1, 2, 3 whose dimensions are greater than those of the removable sheets, these boards being hinged, one following the other, to the edges of a first and second stiff tongues 4, 5 of different widths forming the back of the file and in that this filing device comprises two devices 6, 7 for attaching removable sheets, only one 6 of which is fixed to a first tongue 4 between the first and second boards 1, 2, and the other 7 of which is fixed to the third cover board 3 not adjacent to this first tongue 4. <IMAGE>
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