| 摘要 |
A file of the invention comprises a pair of front and back opening and closing covers (F1, F3), a backbone (F2) provided between base ends of both the opening and closing covers such that it can be changed in width, binding legs (41) projecting toward an inner surface side from a base end of one of the opening and closing covers or from a foldout formed on the base end, and binding tools (10) provided on a foldout formed on a base end of the other of the opening and closing covers for bending tip portions of the binding legs in a direction away from the base ends of the opening and closing covers for latching.
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