Chizui Toyokihara

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Shinnanyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing high strength stainless steel of duplex struc...
- Patent number 5,178,693
- Issue date Jan 12, 1993
- Nisshin Steel Co., Ltd.
- Katsuhisa Miyakusu
- C21 - METALLURGY OF IRON