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Publication of FR729920ApublicationCriticalpatent/FR729920A/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
D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
D21H27/30—Multi-ply
D21H27/32—Multi-ply with materials applied between the sheets
D21H27/34—Continuous materials, e.g. filaments, sheets, nets
D—TEXTILES; PAPER
D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
FR729920D1931-03-251931-03-25Papier sulfurisé armé et son procédé de fabrication
ExpiredFR729920A
(fr)