 |
| |||
| channel black; channel; contact black; impingement black | |||
| газовая канальная сажа: 10 phrases in 5 subjects |
| Oil / petroleum | 1 |
| Polygraphy | 1 |
| Polymers | 4 |
| Silicate industry | 1 |
| Technology | 3 |
|
| |||
| channel black; channel; contact black; impingement black | |||
| газовая канальная сажа: 10 phrases in 5 subjects |
| Oil / petroleum | 1 |
| Polygraphy | 1 |
| Polymers | 4 |
| Silicate industry | 1 |
| Technology | 3 |