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Mamdouh M. El Tawil

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  • Belle Mead, NJ, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Reduction roasting of metal ores
    • Patent number 4,985,216
    • Issue date Jan 15, 1991
    • ASARCO Incorporated
    • Mamdouh M. El Tawil
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...