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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
B31C1/00—Making tubes or pipes by feeding at right angles to the winding mandrel centre line
B31C1/08—Accessories of machines therefor not otherwise provided for
B31C1/083—Winding mandrels
B31C1/086—Winding mandrels expansibles
FR317965D1902-01-211902-01-21Un procédé pour la fabrication de corps creux prismatiques
ExpiredFR317965A
(fr)