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YD/T 2537-2019

Chinese Standard: 'YD/T 2537-2019'
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)See DetailStatusRelated Standard
YD/T 2537-2019English439 Add to Cart Days<=4 Test Method for Number Portability Service YD/T 2537-2019 Valid YD/T 2537-2019

  SIMILAR unprotected-true-PDFs:
  GB/T 41301-2022  YD/T 1092-2023  YD/T 3910-2021