TREA

Eduard Marval

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  • Usti nad Labem, CS
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of treating a biomass
    • Patent number 4,067,821
    • Issue date Jan 10, 1978
    • Ceskoslovenska komise pro atomovou energii
    • Vaclav Votapek
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...