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Publication of FR680980ApublicationCriticalpatent/FR680980A/fr
D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
D21C7/00—Digesters
D21C7/14—Means for circulating the lye
FR680980D1928-09-101929-08-29Procédé et appareil pour la digestion de la pâte de bois
ExpiredFR680980A
(fr)