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| ventilation, air conditioning and heating systems (Alexander Demidov) | |||
| системы вентиляции, кондиционирования и отопления: 29 phrases in 12 subjects |
| Automobiles | 2 |
| Construction | 2 |
| Energy industry | 5 |
| General | 2 |
| Makarov | 1 |
| Molikpaq | 9 |
| Oil / petroleum | 1 |
| Oil and gas | 2 |
| Sakhalin R | 1 |
| Technology | 2 |
| Transport | 1 |
| United Nations | 1 |