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| Катодная защита обсадных колонн нефтяных скважин | 382 |
| July 2025 | August 2025 | September 2025 | October 2025 | November 2025 | December 2025 | January 2026 | |
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| Катодная защита обсадных колонн нефтяных скважин | 3 | 14 | 23 | 7 | 13 | 6 | 5 |
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| Russia | 143 |
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| Kazan | 143 |