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Publication of FR861361ApublicationCriticalpatent/FR861361A/fr
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
B42D9/00—Bookmarkers; Spot indicators; Devices for holding books open; Leaf turners
B42D9/008—Devices for indicating a spot on a sheet
FR861361D1939-07-261939-07-26Dispositif de signalisation visuelle dans les recherches sur documents écrits
ExpiredFR861361A
(fr)