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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| JJG 309-2011 |
Verification Regulation of Blackbody Radiators at the 500K~1000K 500k~1000k黑体辐射源检定规程 |
China Metrological
Standards Verification Regulation Black |
 English PDF |
| JJG 452-2006 |
Verification Regulation of Black and White Step Tablet 黑白密度片检定规程 |
China Metrological
Standards Verification Regulation Black |
English PDF |
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