| 摘要 |
<p>An apparatus (1) for perforating a packing film (6), provided with a rotating cutter (2) and with a fixed cutter (3), respectively fitted with related single blades (4, 5), between which the packing film (6) advances proceeding along an interposed plane of lay (7), comprises blade-holding supports (8, 9) removable together with the respective blade (4, 5) for the quick replacement of the blades (4, 5) from the work area. <IMAGE></p> |
