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Cryogenic helium production system
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Patent number 5,329,775
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Issue date Jul 19, 1994
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Praxair Technology, Inc.
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Brian C. Fiedler
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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Feed processing for nitrogen rejection unit
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Patent number 5,051,120
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Issue date Sep 24, 1991
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Union Carbide Industrial Gases Technology Corporation
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Ravindra F. Pahade
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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Process for separating methane and nitrogen
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Patent number 4,592,767
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Issue date Jun 3, 1986
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Union Carbide Corporation
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Ravindra F. Pahade
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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