Masayuki Hammyo

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Fukuyama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Gas blowing nozzle, and production and usage thereof
- Patent number 4,438,907
- Issue date Mar 27, 1984
- Nippon Kokan Kabushiki Kaisha
- Narito Kimura
- B22 - CASTING POWDER METALLURGY