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Publication of FR906424ApublicationCriticalpatent/FR906424A/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
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
B31F5/025—Attaching together sheets, strips or webs; Reinforcing edges by crimping or slotting or perforating by slotting
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Mechanical Engineering
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FR906424D1942-07-091943-07-29Dispositif pour l'assemblage de feuilles en papier ou en matières analogues diposées les unes au-dessus des autres
ExpiredFR906424A
(fr)