Hirota Amano

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Hachinoheshi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Direct method for production of high-grade, high-purity ferromanganese
- Patent number 4,282,032
- Issue date Aug 4, 1981
- Pacific Metals Co., Ltd.
- Yoshishige Nagoya
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...