| 摘要 |
<p>The device comprises cooperating first and second levers (2,3), articulated to one another, and, on the first lever (2) and open seat (6), having a bottom substantially defined by knife members (7). On the second lever (3) a punch (9) is provided at such a position that it may be inserted into the open seat (6), the punch having a substantially mating shape with respect to the shape of the open seat (6).</p> |
