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Gas separating-crystallizer
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Patent number 4,597,950
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Issue date Jul 1, 1986
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Bechtel International Corporation
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Alfred N. Rogers
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Geothermal reboiler apparatus and method
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Patent number 4,534,174
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Issue date Aug 13, 1985
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Bechtel International Corporation
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Leon Awerbuch
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F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
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Geothermal energy recovery process
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Patent number 3,953,972
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Issue date May 4, 1976
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Bechtel International Corporation
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Leon Awerbuch
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES