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What’s New

  • news Observation of #1200 Aoi stone

    Observation of #1200 Aoi stone

    July 3rd, 2020 We've observed our stones by SEM (Scannig Election Microscope) in Kyoto industry laboratory.
    This is a part of enhancing the accuracy.
    As you see, #1200 abrasive grains arranged regularly on melted bonding

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