PROBLEM TO BE SOLVED: To provide a booklet capable of eliminating or reducing disadvantage that an openable area is limited, and a large force is applied on a bound portion when it is opened, and to provide a binding machine for making the booklet.;SOLUTION: A plurality of sheets P each having two areas across a folding line P4 are superposed with the folding lines P4 substantially matched to each other. Cut-up pieces P61, P71 capable of being cut up with the folding line P4 as a base end are formed in one area of each sheet P, and the cut-up pieces P61, P71 of the plurality of sheets P are mutually bound.;COPYRIGHT: (C)2013,JPO&INPIT
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