 |
| |||
| garniture d'étanchéité (дубомир); packer m (I. Havkin) | |||
| пакер: 40 phrases in 2 subjects |
| Oil and gas | 2 |
| Oil and gas technology | 38 |
|
| |||
| garniture d'étanchéité (дубомир); packer m (I. Havkin) | |||
| пакер: 40 phrases in 2 subjects |
| Oil and gas | 2 |
| Oil and gas technology | 38 |