| |||
| automatic level; self-aligning level | |||
| self-levelling level | |||
|
automatisches Nivellier : 4 phrases in 1 subject |
| Optics branch of physics | 4 |
| |||
| automatic level; self-aligning level | |||
| self-levelling level | |||
|
automatisches Nivellier : 4 phrases in 1 subject |
| Optics branch of physics | 4 |