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YD/T 638.14-1993

Chinese Standard: 'YD/T 638.14-1993'
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)See DetailStatusRelated Standard
YD/T 638.14-1993English119 Add to Cart Days<=2 Type designation system for telephone sets YD/T 638.14-1993   YD/T 638.14-1993

  SIMILAR unprotected-true-PDFs:
  GB 6830-1986  GB/T 3873-1983  YD/T 1092-2023