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
B42D12/005—Heading indicators
Landscapes
Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others
(AREA)
Nouveau type de reglette du type comportant un etui constitue de deux parois accolees laissant un intervalle dans lequel est mobile au moins une coulisse