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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Format: | Patent |
Sprache: | eng ; fre |
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