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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| JJF 1108-2012 |
Calibration Specification for OCTG Thread Working Gauges 石油螺纹工作量规校准规范 |
China Metrological
Standards Calibration Specification Working |
 English PDF |
| JJF 1134-2005 |
Calibration Specification for Working Force Measuring Machines for Special Purposes 专用工作测力机校准规范 |
China Metrological
Standards Calibration Specification Working |
English PDF |
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