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Publication of FR408185ApublicationCriticalpatent/FR408185A/fr
B41L—APPARATUS OR DEVICES FOR MANIFOLDING, DUPLICATING OR PRINTING FOR OFFICE OR OTHER COMMERCIAL PURPOSES; ADDRESSING MACHINES OR LIKE SERIES-PRINTING MACHINES
B41L7/00—Apparatus for directly duplicating from hectographic originals, i.e. for obtaining copies in mirror image
FR408185D1909-10-221909-10-22Feuilles pour copier les lettres
ExpiredFR408185A
(fr)