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Hidetoshi Akashi

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  • Kanazawa, JO
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Patents Grantslast 30 patents

  • Information Patent Grant

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    • Patent number 8,857,239
    • Issue date Oct 14, 2014
    • Komatsu Ltd.
    • Kenji Nishida
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...