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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| JJG 229-2010 |
Verification regulation of industry platinum and copper resistance thermometers 工业铂、铜热电阻检定规程 |
China Metrological
Standards Verification regulation industry |
 English PDF |
| JJG 440-2008 |
Verification Regulation of Industry Frequency Single-Phase Phase Meter 工频单相相位表检定规程 |
China Metrological
Standards Verification regulation industry |
English PDF |
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