Akira Hara

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Patents Grantslast 30 patents

Information Patent Grant
Composite compact having a base of a hard-centered alloy in which t...
- Patent number 4,686,080
- Issue date Aug 11, 1987
- Sumitomo Electric Industries, Ltd.
- Akira Hara
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR