B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
B42D12/00—Book-keeping books, forms or arrangements
Dispositif peu encombrant pour presenter et maintenir des livres, classeurs ou objets de format egal ou inferieur a celui d'un livre scolaire, au dessus ou au bord de tables, tablettes ou bureaux