| 摘要 |
<p>The invention relates to a device (1) for cutting plasterboard, comprising: a grip support (100); a knife (2) with a retractable and detachable blade mounted in the grip support and extending in a longitudinal direction; and a plane blade (3) that is detachably fixed to the grip support (100), extends in said longitudinal direction, and has a cutting wall (30), a discharge passage (102) being arranged between the grip support and the cutting wall (30).</p> |
