Tawekawa Tekko Kabushiki Kaisha

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Aichi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Grinding tool and method of making the same
- Patent number 5,064,445
- Issue date Nov 12, 1991
- Sankyo Rikagaku Co., Ltd.
- Hiroshi Okajima
- B24 - GRINDING POLISHING