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Publication of BE839960ApublicationCriticalpatent/BE839960A/en
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
B31C11/00—Machinery for winding combined with other machinery
B31C11/02—Machinery for winding combined with other machinery for additionally shaping the articles
BE165501A1975-03-251976-03-24
METHOD AND DEVICE FOR MANUFACTURING A WELDED SLEEVE WITH A FOLDABLE FLAT-FLAT POLYGONAL SECTION
BE839960A
(en)