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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
B31C9/00—Simultaneous forming of cylindrical and conical shapes by winding separate webs, e.g. forming bottles
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FR378733D1907-06-121907-06-12Procédé et machine pour la fabrication de corps creux en papier
ExpiredFR378733A
(fr)