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Hitoshi Tanaka
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Kitakyushu, JP
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last 30 patents
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Patent Grant
High strength copper-nickel-tin-zinc-aluminum alloy of excellent be...
Patent number
4,990,309
Issue date
Feb 5, 1991
Kabushiki Kaisha Kobe Seiko Sho
Motohisa Miyafuji
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...