 |
| |||
| ферромагнитный порошок | |||
| powder developer: 8 phrases in 4 subjects |
| Metallurgy | 3 |
| Polygraphy | 3 |
| Quality control and standards | 1 |
| Technology | 1 |
|
| |||
| ферромагнитный порошок | |||
| powder developer: 8 phrases in 4 subjects |
| Metallurgy | 3 |
| Polygraphy | 3 |
| Quality control and standards | 1 |
| Technology | 1 |