Masatomo Watanabe

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Hashima, JP

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Patents Grantslast 30 patents

Information Patent Grant
Dry barrel finishing machine having a device to wet media
- Patent number 5,733,172
- Issue date Mar 31, 1998
- Sintobrator, Ltd.
- Kazutoshi Nishimura
- B24 - GRINDING POLISHING
Information Patent Grant
Centrifugal dry barrel finishing machine
- Patent number 5,672,094
- Issue date Sep 30, 1997
- Sintobrator, Ltd.
- Kazutoshi Nishimura
- B24 - GRINDING POLISHING