Yoshimitsu Suganuma

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Fujisawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of superfinishing a gothic-arch groove
- Patent number 5,170,590
- Issue date Dec 15, 1992
- Nippon Seiko Kabushiki Kaisha
- Chuichi Sato
- B24 - GRINDING POLISHING