Cellulosic accessory i.e. quotation card, for visual identification of book in library, has notch formed on projecting part positioned on top of back part of book, and V-shaped cut formed at center of accessory made of cellulosic material

摘要

The accessory has a rectangular notch formed on a projecting part (2) that is positioned on top of a back part of a book. A label is glued on the projecting part or an annotation is written on the projecting part. A V-shaped cut (1) is formed at the center of the accessory so as to hold a page, where the accessory is made from a cellulosic material conforming to ISO 9706standard. The V-shaped cut has a width ranging from 2 mm to 3 mm.