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Cryogenic rectification regenerator system
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Patent number 5,740,683
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Issue date Apr 21, 1998
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Praxair Technology, Inc.
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John Fredric Billingham
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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Air separation method and apparatus
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Patent number 5,711,166
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Issue date Jan 27, 1998
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The BOC Group, Inc.
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Anish Mehta
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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3131045
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Patent number 3,131,045
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Issue date Apr 28, 1964
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...