FR887034A - Perfectionnements apportés aux livres et aux ouvrages analogues et appareils permettant l'utilisation de ces livres et de ces ouvrages
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Perfectionnements apportés aux livres et aux ouvrages analogues et appareils permettant l'utilisation de ces livres et de ces ouvrages
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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
B42D19/00—Movable-strip writing or reading apparatus
FR887034D1942-10-211942-10-21Perfectionnements apportés aux livres et aux ouvrages analogues et appareils permettant l'utilisation de ces livres et de ces ouvrages
ExpiredFR887034A
(fr)