| |||
| vertical to the reflecting surface | |||
| |||
| surface roughness standard | |||
|
Oberflachennormal : 2 phrases in 2 subjects |
| Metallurgy | 1 |
| Scientific | 1 |
| |||
| vertical to the reflecting surface | |||
| |||
| surface roughness standard | |||
|
Oberflachennormal : 2 phrases in 2 subjects |
| Metallurgy | 1 |
| Scientific | 1 |