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Ross W. Simon
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Medfield, MA, US
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Patent Grant
Refining of tantalum and tantalum scrap with carbon
Patent number
6,197,082
Issue date
Mar 6, 2001
H. C. Starck, Inc.
Robert A Dorvel
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...