Yoshinobu Toshida

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of producing high-melting-point and high-toughness metal and...
- Patent number 5,290,015
- Issue date Mar 1, 1994
- Sumitomo Sitix Co., Ltd.
- Tatsuo Naritomi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...