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Absorbent for recovering ethylene from gas mixtures and method of its preparation
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Dynamometer
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Device for loose material level indication
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Heat-and-mass exchange device
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Method of testing for tightness
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Loading device of stand for testing combustion engines
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Random signal generator
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Apparatus for rotation speed monitoring
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Analog-to-digit converter
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Rotation speed control apparatus
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Pressure regulator for two-circuit brake system of vehicle
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Hydrocyclone
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Rubber-metal track
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Heat and mass exchange column
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Device for drilling holes in ice
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Device for cutting slits in ice of water basins
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Device of determination of surface convective heat exchange coefficient
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Gripping device for mooring vessels to pier
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Device for determining distortion factor from second harmonic of frequency-modulated signal generator and receiver
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Method of preservation of turbine
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