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Publication of FR646709ApublicationCriticalpatent/FR646709A/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
FR646709D1927-01-061928-01-04Matériel pour l'emballage et son procédé de fabrication
ExpiredFR646709A
(fr)