Michio Hanai

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of producing Ti alloy plates
- Patent number 4,675,055
- Issue date Jun 23, 1987
- Nippon Kokan Kabushiki Kaisha
- Chiaki Ouchi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...