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Nobumitsu Oshimura
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Ichikawa, JP
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last 30 patents
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Patent Grant
Process for preparing powder of an alloy of a rare earth element, i...
Patent number
4,944,801
Issue date
Jul 31, 1990
Sumitomo Metal Mining Co. Ltd.
Takashi Ishikawa
B22 - CASTING POWDER METALLURGY