| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| JJF 1920-2021 | English | 279 |
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Days<=3
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(Detailed Rules for Evaluation of National Metrological Verification Regulations)
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JJF 1920-2021
| Valid |
JJF 1920-2021
|