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D INV S SOC ET
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D INV S SOC ET
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Publication of FR805623ApublicationCriticalpatent/FR805623A/fr
D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
D21H19/00—Coated paper; Coating material
D21H19/80—Paper comprising more than one coating
D21H19/82—Paper comprising more than one coating superposed
D21H19/824—Paper comprising more than one coating superposed two superposed coatings, both being non-pigmented
FR805623D1935-08-131935-08-13Nouveau procédé d'imprégnation des récipients en papier ou carton
ExpiredFR805623A
(fr)
Dispositif automatique de régulation pour l'obtention de feuilles de caractéristiques constantes, applicables aux machines à papier, à carton, ou pour la fabricationd'autres produits similaires