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Verification Regulation of Phase Comparators
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JJG 433-2004 Phase Comparator Verification Procedure JJG433-2004 Standard download decompression password: www.bzxz.net This proce
2024-08-31 category：National Metrology Standard (JJ)+ View
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Verification Regulation for Gas Displacement Meters
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JJG 633-2005 Verification Procedure for Gas Volumetric Flowmeters JJG633-2005 Standard download decompression password: www.bzxz.n
2024-08-30 category：National Metrology Standard (JJ)+ View
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Calibration Specification for Working Force Measuring Machines for Special Purposes
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JJF 1134-2005 Calibration specification for special working force measuring machines JJF1134-2005 Standard download decompression
2024-08-30 category：National Metrology Standard (JJ)+ View
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Calibration Specification of Gold Gauge Utilizing X-ray Fluorescence Spectrometry
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JJF 1133-2005 Calibration specification for gold content analyzer using X-ray fluorescence spectrometry JJF1133-2005 Standard down
2024-08-30 category：National Metrology Standard (JJ)+ View
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Calibration Specification for Hand-hold pitch Comparator
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JJF 1121-2004 Calibration specification for handheld pitch comparator JJF1121-2004 Standard download decompression password: www.b
2024-08-30 category：National Metrology Standard (JJ)+ View
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Calibration Specification for Coordinate Measuring Machines
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This specification applies to the calibration of coordinate measuring machines using contact detection systems. When appropriate p
2024-08-30 category：National Metrology Standard (JJ)+ View
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Verification Regulation of the Pressure Transmitter
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JJG 882-2004 Pressure Transmitter Verification Procedure JJG882-2004 Standard download decompression password: www.bzxz.net This p
2024-08-30 category：National Metrology Standard (JJ)+ View
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Verification Regulation of Quantitative Filling Machine for Liquid Material
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JJG 687-2008 Verification Procedure for Quantitative Filling Machines for Liquid Materials JJG687-2008 Standard download decompres
2024-08-30 category：National Metrology Standard (JJ)+ View
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