Katsuhisa Yamamoto

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
End mill formed of tungsten carbide-base sintered hard alloy
- Patent number 4,950,328
- Issue date Aug 21, 1990
- Mitsubishi Metal Corporation
- Niro Odani
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR