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GB/T 40260-2021

Chinese Standard: 'GB/T 40260-2021'
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)See DetailStatusRelated Standard
GB/T 40260-2021English260 Add to Cart 0--15 minutes. Auto immediate delivery. Test method for determining gas permeability of polymer membrane materials GB/T 40260-2021 Valid GB/T 40260-2021

  Google-Books (Full-PDF, without digital protection, will be auto-delivered in 0~10 mins):   GB/T 40260-2021  GB 38508-2020