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Publication of FR972233ApublicationCriticalpatent/FR972233A/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
B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
B31F5/00—Attaching together sheets, strips or webs; Reinforcing edges
B31F5/02—Attaching together sheets, strips or webs; Reinforcing edges by crimping or slotting or perforating
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FR972233D1948-09-241948-09-24
Device for stapling, by knurling, superimposed thicknesses of sheets of paper, or the like
ExpiredFR972233A
(en)