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Reduction device using liquid metal
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Patent number 10,689,729
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Issue date Jun 23, 2020
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Korea Institute of Industrial Technology
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Uen Do Lee
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Bismuth generator method
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Patent number 5,749,042
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Issue date May 5, 1998
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Battelle Memorial Institute
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Lane Allan Bray
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Refining of bismuth
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Patent number 5,234,492
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Issue date Aug 10, 1993
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ASARCO Incorporated
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Funsho K. Ojebuoboh
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Process for the recovery of bismuth
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Patent number 4,039,323
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Issue date Aug 2, 1977
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ASARCO Incorporated
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Carl Richard DiMartini
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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3442798
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Patent number 3,442,798
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Issue date May 6, 1969
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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3218159
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Patent number 3,218,159
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Issue date Nov 16, 1965
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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3189440
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Patent number 3,189,440
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Issue date Jun 15, 1965
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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3010821
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Patent number 3,010,821
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Issue date Nov 28, 1961
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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2955931
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Patent number 2,955,931
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Issue date Oct 11, 1960
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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2914399
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Patent number 2,914,399
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Issue date Nov 24, 1959
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...