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HG 21597-1999

Chinese Standard: 'HG 21597-1999'
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)See DetailStatusRelated Standard
HG 21597-1999English239 Add to Cart Days<=2 (Rotary arch steel manhole cover open soon) HG 21597-1999 Obsolete HG 21597-1999

  Google-Books (Full-PDF, without digital protection, will be auto-delivered in 0~10 mins):   GB/T 7996-2020  HG/T 4715-2014  HG/T 20583-2011