| 摘要 |
PROBLEM TO BE SOLVED: To provide connectable single files, from each of which housed documents can be easily taken out, a plurality of which can be dealt with integrally under the state being connected with one another some parts of the contents of a plurality of files of which can be allowed to be seen with naked eyes by staggering a plurality of the single files overlapped with one another under the state by connecting a plurality of them with one another and the overlapped single file can be opened upwards by opening a flap. SOLUTION: Two adjacent sides of file sheets 3 and 9 are closed together with each other. Flaps 4 and 10 are formed by respectively extending the upper side portions of the file sheets 3 and 9. Further, slits 5 are provided on the flap 4. Furthermore, engaging pieces 11 are provided on the flap 10.
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