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shut-off and control valves (MichaelBurov); shutoff and control valves (MichaelBurov) | |||
valves |
запорно -регулировочная арматура : 10 phrases in 6 subjects |
Astronautics | 2 |
Oil / petroleum | 2 |
Oil and gas | 2 |
Oil and gas technology | 1 |
Sakhalin | 1 |
Weapons of mass destruction | 2 |