 |
| |||
| БС (балтийская система высот vbadalov) | |||
| baltic system: 9 phrases in 6 subjects |
| Architecture | 1 |
| Construction | 1 |
| General | 3 |
| Hydrography | 1 |
| Measuring instruments | 1 |
| Oil / petroleum | 2 |
|
| |||
| БС (балтийская система высот vbadalov) | |||
| baltic system: 9 phrases in 6 subjects |
| Architecture | 1 |
| Construction | 1 |
| General | 3 |
| Hydrography | 1 |
| Measuring instruments | 1 |
| Oil / petroleum | 2 |