PERFORATING UNIT FOR WEBLIKE MATERIALS

Perforating unit (GP) for forming perforation lines (P) on web-like materials (N), in which the perforation lines are formed by a predetermined number of perforations (F) spaced apart by a predetermined value and aligned along a preset direction of perforation (CD); the perforating unit comprises an...

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Bibliographische Detailangaben
Hauptverfasser: TAMAGNINI, Manolo, BETTI, Gabriele
Format: Patent
Sprache:eng ; fre
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