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GB/T 18921-2019

Chinese Standard: 'GB/T 18921-2019'
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)See DetailStatusRelated Standard
GB/T 18921-2019English150 Add to Cart 0--3 minutes. Auto immediate delivery. The reuse of urban recycling water -- Water quality standard for scenic environment use GB/T 18921-2019 Valid GB/T 18921-2019

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  GB/T 18921-2019  GB/T 18920-2020  GB/T 32224-2015  GB/T 25499-2010  GB/T 18920-2002