Widgets book that an auxiliary book

摘要

(57) [summary] [purpose] identical to the cutout portion and forming the cutout portion of the same shape at the same position of the [construction] each page of the book to get the widget books that can further wide variation than conventional widgets book each In mounted for turning Apart from the above the the notch portion of the auxiliary book with pages shape configured to be able to be combined arbitrarily description of each page according to the above assist the each page of the book did