摘要 |
<p>The system has a base plate (2) including an upper side, a lower side (1), and two ends (6, 7). A tool has a square recess provided in center to support a projection (3) that is formed as a square end (4). The tool releases and fixes a filter nozzle. A square spanner (8) i.e. venting spanner, is attached on end (6) for using the system, where the spanner is formed at the end (6). A housing includes housing halves, which are formed to hold the base plate and are provided on the tool, where each housing half is locked into notches that are formed on the base plate.</p> |