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| vane (Метран); Swirl Reducer (carp) | |||
| orifice box (each flow line shall be equipped with flow metering system complete with Daniel (meter run) Senior orifice box Дмитрий Шарапан) | |||
| flow straightener (см. напр., ГОСТ 8.563.1-97 ГСИ. Измерение расхода и количества ... carp) | |||
| straightening vane; straightening vanes | |||