| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| JJF 1643-2017 | English | 689 |
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Days<=5
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Program of Pattern Evaluation for Chemical Oxygen Demand(COD)Meters
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JJF 1643-2017
| Valid |
JJF 1643-2017
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