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Publication of FR1145532ApublicationCriticalpatent/FR1145532A/fr
D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
D21D1/00—Methods of beating or refining; Beaters of the Hollander type
D21D1/20—Methods of refining
D21D1/22—Jordans
FR1145532D1956-03-061956-03-06Appareil pour le dépastillage et l'ouverture des fibres de cellulose utilisées dans la fabrication de la pâte à papier
ExpiredFR1145532A
(fr)