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Publication of FR372488ApublicationCriticalpatent/FR372488A/fr
B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
B41M5/00—Duplicating or marking methods; Sheet materials for use therein
B41M5/025—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet
B41M5/06—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet using master sheets coated with jelly-like materials, e.g. gelatin
B41M5/08—Sheet materials therefor
FR372488A1905-12-201906-12-08Préparation d'un papier pour copie à sec
ExpiredFR372488A
(fr)