| 摘要 |
<p>The spirit level (10) has a profile body (12) with side surfaces (20,22) and front surfaces or front areas (24,26). Measuring surfaces are provided between the side surfaces, which are formed as longitudinal surfaces (28,30). The longitudinal surfaces have lateral longitudinal edges (32,34,36,38), which protrudes over the side surfaces. The longitudinal edges have slots (46, 48, 50, 52, 54, 56, 58).</p> |
