Toru Yukawa

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Kobe, JP

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Patents Grantslast 30 patents

Information Patent Grant
Nitrogen containing high speed steel obtained by powder metallurgic...
- Patent number 4,121,930
- Issue date Oct 24, 1978
- Kobe Steel, Ltd.
- Toru Yukawa
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...