Nobuyoshi Sasaki

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Yokohama-shi, Kanagawa-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Mold core for investment casting, process for preparing the same an...
- Patent number 4,919,193
- Issue date Apr 24, 1990
- Nobuyoshi Sasaki
- B22 - CASTING POWDER METALLURGY