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RU1770808C
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Automatic-sampler
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SU1778278A1
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Method for determining content of oil, water and gas in well production
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SU1718003A2
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Sampler
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SU1700428A1
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Sampler
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SU1737278A1
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Device for measuring electric-conductive liquid level
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SU1654889A1
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Explosion-proof jacket for electrical devices
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SU1606868A1
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Installation for graduating and checking volume meters of liquids and gases
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SU1627688A1
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Device for component-wise measuring of oil well product
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Installation for measuring well yield
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Device for measuring yield of oil wells
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SU1504453A2
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Multiway valve
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SU1531073A1
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Flow rate regulator
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SU1601367A1
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Unit for measuring yield of oil wells
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Device for revealing flaws in pulse sequence
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SU1501000A1
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Device for limiting the level of volatile fluids in sealed chamber
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SU1462145A2
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Hermetically sealed container for samples
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SU1500909A1
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Viscometer
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SU1372187A1
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Turbine flowmeter
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SU1368699A1
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Sealed container for samples
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SU1362941A1
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Flow divider of pipe-and-piston unit
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