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TRAITEMENT CHIMIQUE DES VEGETA
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TRAITEMENT CHIMIQUE DES VEGETA
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Application filed by TRAITEMENT CHIMIQUE DES VEGETAfiledCriticalTRAITEMENT CHIMIQUE DES VEGETA
Application grantedgrantedCritical
Publication of FR998468ApublicationCriticalpatent/FR998468A/fr
D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
D21C7/00—Digesters
FR998468D1945-10-081945-10-08Perfectionnements apportés aux procédés et appareils pour le traitement des matières, notamment des matières fibreuses
ExpiredFR998468A
(fr)