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Publication of FR1462049ApublicationCriticalpatent/FR1462049A/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
B41M5/0253—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet using a chemical colour-forming ink, e.g. chemical hectography
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Chemical & Material Sciences
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General Chemical & Material Sciences
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Color Printing
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FR44143A1965-01-041965-12-29Procédé à polycopier des planches d'impression en feuille sur des papiers humectés
ExpiredFR1462049A
(fr)