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SY/T 5139-2020

Chinese Standard: 'SY/T 5139-2020'
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)See DetailStatusRelated Standard
SY/T 5139-2020English279 Add to Cart Days<=3 (Oil and gas drilling equipment) SY/T 5139-2020 Valid SY/T 5139-2020

  SIMILAR unprotected-true-PDFs:
  SY/T 5164-2016  SY/T 5324-2013  GB/T 18604-2023