 |
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| drilling equipment mountings (Yeldar Azanbayev); drilling tool attachments (Yeldar Azanbayev) | |||
| оснастки бурильного инструмента: 1 phrase in 1 subject |
| Oil and gas technology | 1 |
|
| |||
| drilling equipment mountings (Yeldar Azanbayev); drilling tool attachments (Yeldar Azanbayev) | |||
| оснастки бурильного инструмента: 1 phrase in 1 subject |
| Oil and gas technology | 1 |