| 摘要 |
<p>The tool casing has an integrated dust suction connected to a dust box (121). Several side walls (134) of the dust box have air exit holes (40), where at least one hole has a dust-tight filter element (48), preferably a folded filter. Preferably, the box is a flat box, whose side walls are formed as releasable covers (123) having air exit holes, which support filters on their insides.</p> |
