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Publication of FR381612ApublicationCriticalpatent/FR381612A/fr
B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
B31C—MAKING WOUND ARTICLES, e.g. WOUND TUBES, OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
B31C7/00—Making conical articles by winding
B31C7/02—Forming truncated cones
B31C7/04—Forming truncated cones on two or more mandrels
FR381612D1907-08-301907-08-30Machine double à fabriquer les tubes légers ou perdus, en papier, pour la filature
ExpiredFR381612A
(fr)