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Calibration Specification for Reinforced Concrete Covermeter and Floorslab Thickness Tester
JJF 1224-2009
Verification Regulation of Ball Pneumatic Dead Weight Tester
JJG 942-2010
Designation and Classification Code for Measuring Instruments
JJF 1051-2009
Measurement and Test Norm of Thermostatic Bath’s Metrological Characteristics
JJF 1030-2010
Verification Regulation of Test Equipment for Vehicle Speed Radar Measurement Meters
JJG 771-2010
Calibration Specification for Gear Dual-flank Meshing Measuring Instrument
JJF 1233-2010
Calibration Guideline of the Temperature Block Calibrators
JJF 1257-2010
Raw Cotton Moisture Tester
JJG 845-2009
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