Shigehiro Hayashi

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Aichi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Aqueous cutting fluid, aqueous cutting agent, and process for cutti...
- Patent number 6,228,816
- Issue date May 8, 2001
- NOF Corporation
- Kenji Ito
- B28 - WORKING CEMENT, CLAY, OR STONE