Takatoshi Yosioka

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Hitachi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Martensitic heat-resistant steel
- Patent number 4,414,024
- Issue date Nov 8, 1983
- Hitachi, Ltd.
- Masao Siga
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...