Kunio Oyabu

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Nagoya, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for melting metal ingots
- Patent number 4,581,063
- Issue date Apr 8, 1986
- Sumitomo Light Metal Industries Ltd.
- Kunio Oyabu
- F27 - FURNACES KILNS OVENS RETORTS