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www.ChineseStandard.net Database: 189759 (19 Oct 2025)

JG 221-2007

Chinese Standard: 'JG 221-2007'
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)See DetailStatusRelated Standard
JG 221-2007English359 Add to Cart Days<=3 Copper tube convector JG 221-2007 Obsolete JG 221-2007

  SIMILAR unprotected-true-PDFs:
  GB/T 7184-2023  GB/T 24747-2023  JGJ/T 231-2021