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Walter Lugscheider
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last 30 patents
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Patent Grant
Process for utilizing of zinc-containing metallurgical dusts and sl...
Patent number
4,940,487
Issue date
Jul 10, 1990
Voest-Alpine Stahl Donawitz Gesellschaft m.b.H.
Walter Lugscheider
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...