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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| JJF 1334-2012 |
Calibration Specification for Concrete Crack Width and Depth Measuring Instruments 混凝土裂缝宽度及深度测量仪校准规范 |
China Metrological
Standards Calibration Specification Concrete |
 English PDF |
| JJF 1224-2009 |
Calibration Specification for Reinforced Concrete Covermeter and Floorslab Thickness Tester 钢筋保护层厚度、楼板厚度测量仪校准规范 |
China Metrological
Standards Calibration Specification Concrete |
English PDF |
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