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| Правила безопасности в нефтяной и газовой промышленности (Worked with corporate safety regulators as well as customer safety representatives to ensure NOV received and adhered to all oil and gas industry safety regulations. Alexander Demidov) | |||
| Oil and Gas Industry Safety Regulations: 3 do fraz, 2 tematyki |
| Produkcja | 2 |
| Wiercenie | 1 |