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FreeSpirit (Shanghai) Precision Instrument Co., Ltd
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epeatability of the measurement systems, providing metrological traceability and a reference for measurement equipment.

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182 nm Standard Step Height
182 nm Standard Step Height
  • Girds Matrix
    Girds Matrix
  • Roughness Standard Sample
    Roughness Standard Sample
  • Laser Marked Sample
    Laser Marked Sample
  • Lubricant Seal Cover
    Lubricant Seal Cover
  • Metal Groove
    Metal Groove
  • Metal Scratch
    Metal Scratch
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