Noboru Yamazaki

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Rotary nozzle on a molten steel vessel
- Patent number 4,998,650
- Issue date Mar 12, 1991
- Nippon Rotary Nozzle Co., Ltd.
- Noboru Yamazaki
- B22 - CASTING POWDER METALLURGY