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QB/T 1689-2021

Chinese Standard: 'QB/T 1689-2021'
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)See DetailStatusRelated Standard
QB/T 1689-2021English489 Add to Cart Days<=4 (Precious metal jewelry terms) QB/T 1689-2021 Valid QB/T 1689-2021

  SIMILAR unprotected-true-PDFs:
  GB/T 40114-2021  GB/T 28796-2021  GB/T 10810.1-2025