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Flexible spine binder with window pocket and spine stiffener insert
Flexible spine binder with window pocket and spine stiffener insert
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机译:带有窗袋和脊柱加固件的柔性脊柱装订器
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摘要
A flexible spine binder with an open pocket extending the length of the spine and a stiff elongate member insertable into such pocket transforming the flexible spine into a stiff spine and also providing means for labelling the binder. The binder is made of film vinyl, polypropylene or the like.
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