TREA

Einar Walli

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  • Burlington, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Recovery of nickel and cobalt from leach slurries
    • Patent number 4,280,988
    • Issue date Jul 28, 1981
    • The International Nickel Co., Inc.
    • Kohur N. Subramanian
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...