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Shoji Miyagawa
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Chiba, JP
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last 30 patents
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Patent Grant
Method of treating zinc-containing substance
Patent number
5,766,307
Issue date
Jun 16, 1998
Kawasaki Steel Corporation
Shoji Miyagawa
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...