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CZ346895A3
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Process and apparatus for producing warm service water
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SK370090A3
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Method for obtaining neon-helium concentrate in an separation process of air
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CS256388A1
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Device for air low-temperature separation
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CS870287A1
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Device for air separation
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CS870187A1
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Equipment for liquid products production by means of air separation
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CS870087A1
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Rectifying column
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CS831087A1
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Equipment for low-grade krypton concentrate winning
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CS686487A1
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Method of low-temperature air separation
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CS620987A1
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Thermal treatment of cutting tips made from sintered carbide
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CS566787A1
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Rectifying column with steeptube condensator
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CS309587A1
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Connection of adsorber
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CS309487A1
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Process for adsorbing removing of trace quantity of hydrocarbons
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CS174187A1
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Process for preparing poor krypton concentrate
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CS898686A1
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Process for preparing compressed nitrogen
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CS900386A1
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Device for pressure nitrogen production
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CS900486A1
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Method and device for pressurized nitrogen production
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CS544586A1
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Method of air desintegration by low-temperature process with liquid products production
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CS272286A1
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Equipment for gas liquefaction
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CS250547B1
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Method of gas liquefying
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CS228095B1
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Multi-medium wound heat exchanger
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