• GB/T 231.2-2022 Page 1
  • GB/T 231.2-2022 Page 2
  • GB/T 231.2-2022 Page 3
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GB/T 231.2-2022 English PDF (GB/T231.2-2022)

GB/T 231.2-2022 English PDF (GB/T231.2-2022)

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GB/T 231.2-2022: Metallic materials - Brinell hardness test - Part 2: Verification and calibration of testing machines

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