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Publication of FR681503ApublicationCriticalpatent/FR681503A/fr
B41L—APPARATUS OR DEVICES FOR MANIFOLDING, DUPLICATING OR PRINTING FOR OFFICE OR OTHER COMMERCIAL PURPOSES; ADDRESSING MACHINES OR LIKE SERIES-PRINTING MACHINES
B41L3/00—Platens or like sheet supports for manifolding using pressure-sensitive layers or intermediaries, e.g. for book-keeping purposes
B41L3/12—Auxiliary devices
B41L3/20—Auxiliary devices for facilitating manifolding in books
FR681503D1929-01-101929-01-10Dispositif pour la passation des écritures aux livres de comptabilité
ExpiredFR681503A
(fr)