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YB/T 4797-2020

Chinese Standard: 'YB/T 4797-2020'
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)See DetailStatusRelated Standard
YB/T 4797-2020English279 Add to Cart Days<=3 (Steel for heavy-duty railway frogs) YB/T 4797-2020 Valid YB/T 4797-2020

  SIMILAR unprotected-true-PDFs:
  GB/T 2585-2021  GB/T 34215-2023  GB/T 6983-2022