| 摘要 |
<p>The tool has a gripping handle (28) with a head (30) at its end. The head has two extensions in L form, formed of a longitudinal arm (36) and a lateral arm (38). Outer units are inserted in housing delimited by the extensions that leave a body of a sealing device above the longitudinal arm. Edge of a window housed between inner wings of lips slides between closed and open positions.</p> |
