Seiji Nakatani

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Spiral end mill and method of manufacturing the same
- Patent number 5,725,333
- Issue date Mar 10, 1998
- Sumitomo Electric Industries, Ltd.
- Makoto Abe
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR