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Verification Regulation of Metallic Webster Hardness Testing Machine
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JJG 944-1999 Metal Webster Hardness Tester (Trial) JJG944-1999 Standard download decompression password: www.bzxz.net This procedu
2024-09-01 category：National Metrology Standard (JJ)+ View
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Verification Regulation of Screw Thread Micrometers
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This regulation is applicable to the initial calibration, subsequent calibration and in-use inspection of thread micrometers with
2024-09-01 category：National Metrology Standard (JJ)+ View
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Terms and Their Definitions for Radio Measurement
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JJF 1188-2008 Radiometer Terminology and Definitions JJF1188-2008 Standard download decompression password: www.bzxz.net This spec
2024-09-01 category：National Metrology Standard (JJ)+ View
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Calibration Specification for the Pulmonary Function Measuring Instrument
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JJF 1213-2008 Calibration specification for spirometry instrument JJF1213-2008 Standard download decompression password: www.bzxz.
2024-09-01 category：National Metrology Standard (JJ)+ View
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Verification Regulation of Instrument for KF Coulometry Titration
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JJG 1044-2008 Karl Fischer coulometric trace moisture meter calibration procedure JJG1044-2008 Standard download decompression pas
2024-09-01 category：National Metrology Standard (JJ)+ View
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Carbon monoxide Detecors
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This regulation applies to the initial verification, continuous verification and in-use inspection of carbon monoxide detection al
2024-09-01 category：National Metrology Standard (JJ)+ View
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Verification Regulation of Melting-poin Measurement Instruments
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JJG 701-2008 Melting Point Tester Verification Procedure JJG701-2008 Standard Download Decompression Password: www.bzxz.net This p
2024-09-01 category：National Metrology Standard (JJ)+ View
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Dissolved Oxygen Meter with Covered-Membrane-Electrode
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JJG 291-2008 Verification Procedure for Dissolved Oxygen Meters with Peritoneal Electrodes JJG291-2008 Standard download decompres
2024-09-01 category：National Metrology Standard (JJ)+ View
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