Hiroshi Toriyama

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Omiya, JP

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Patents Grantslast 30 patents

Information Patent Grant
Abrasive resistant high manganese cast steel
- Patent number 5,601,782
- Issue date Feb 11, 1997
- Shinhokoku Steel Corporation
- Saburo Kunioka
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...