Yoshiyasu Takahashi

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Nagoya, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of preparing composite aluminum material
- Patent number 4,643,241
- Issue date Feb 17, 1987
- Kabushiki Kaisha Toyota Chuo Kenkyusho
- Koji Yonekura
- B22 - CASTING POWDER METALLURGY