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David Rice
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R. D. I. Industry, PA, US
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Patent Grant
Process for the volatilization of zinc and/or lead from metallurgic...
Patent number
4,200,454
Issue date
Apr 29, 1980
Metallgesellschaft AG
Carl-August Maelzer
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...