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| gas flowmeter (Alexander Demidov) | |||
| gas meter | |||
| расходомер газа: 20 phrases in 11 subjects |
| Aerohydrodynamics | 1 |
| Astronautics | 1 |
| Automated equipment | 1 |
| Caspian | 1 |
| General | 1 |
| Makarov | 3 |
| Nautical | 3 |
| Oil / petroleum | 3 |
| Oil and gas | 3 |
| Oil and gas technology | 2 |
| Sakhalin | 1 |