| |||
| Prüfinstitut n | |||
|
testing institute : 9 phrases in 7 subjects |
| Construction | 1 |
| Energy industry | 2 |
| General | 1 |
| Industry | 1 |
| Materials science | 1 |
| Name of organization | 1 |
| Natural sciences | 2 |
| |||
| Prüfinstitut n | |||
|
testing institute : 9 phrases in 7 subjects |
| Construction | 1 |
| Energy industry | 2 |
| General | 1 |
| Industry | 1 |
| Materials science | 1 |
| Name of organization | 1 |
| Natural sciences | 2 |