Practical well drilling part 1
| YouTube url: | https://www.youtube.com/watch?v=X7IC1MTFUSg |
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| Created: | 28. 9. 2020 19:42:51 |
| YouTube url: | https://www.youtube.com/watch?v=X7IC1MTFUSg |
|---|---|
| Created: | 28. 9. 2020 19:42:51 |
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