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Publication of FR515263ApublicationCriticalpatent/FR515263A/fr
D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
D21F5/00—Dryer section of machines for making continuous webs of paper
FR515263A1920-05-071920-05-07Procédé et appareil permettant d'obtenir la dessiccation du papier ou d'autres matières sous forme de feuille
ExpiredFR515263A
(fr)