| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| JJF 1925-2021 | English | 549 |
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Days<=5
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Calibration Specification for Low-frequency Volt-meters
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JJF 1925-2021
| Valid |
JJF 1925-2021
|