 |
Johansson | Monochromator
| Monochromator | |
| geol. mineral. | монохроматор |
| Johansson: 2 phrases in 2 subjects |
| Geology | 1 |
| Welding | 1 |
|
| Monochromator | |
| geol. mineral. | монохроматор |
| Johansson: 2 phrases in 2 subjects |
| Geology | 1 |
| Welding | 1 |