 |
| |||
| wedging agent; surface-active additive; surfactant admixture; surface-active agent; surfactant | |||
| поверхностно-активная присадка: 3 a las frases, 2 temas |
| Petróleo | 2 |
| Tecnología de petróleo y gas | 1 |
|
| |||
| wedging agent; surface-active additive; surfactant admixture; surface-active agent; surfactant | |||
| поверхностно-активная присадка: 3 a las frases, 2 temas |
| Petróleo | 2 |
| Tecnología de petróleo y gas | 1 |