| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB/T 18921-2019 | English | 150 |
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The reuse of urban recycling water - Water quality standard for scenic environment use
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GB/T 18921-2019
| Valid |
GB/T 18921-2019
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