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Calibration Specification for Micrometers for Measuring Inside Dimension
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This regulation is applicable to the calibration of the inside micrometer with a graduation value of 0.01mm and a measuring range
2024-08-17 category：National Metrology Standard (JJ)+ View
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Calibration Specification of Humidity Sensors
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JJF 1076-2001 Humidity sensor calibration specification JJF1076-2001 standard download decompression password: www.bzxz.net This s
2024-08-17 category：National Metrology Standard (JJ)+ View
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The Rules for Drafting National Specification of Calibration
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This standard specifies the basic principles, requirements and methods for the preparation of national metrology calibration speci
2024-08-17 category：National Metrology Standard (JJ)+ View
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Rules for the Examination of the Service of Legal Metrological Verification
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JJF 1069-2003 Standard for the Assessment of Legal Metrology Verification Institutions JJF1069-2003 Standard download decompressio
2024-08-17 category：National Metrology Standard (JJ)+ View
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Rules for the Examination of the Service of Legal Metrological Verification
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JJF 1069-2000 Standard for the Assessment of Legal Metrology Verification Institutions JJF1069-2000 Standard download decompressio
2024-08-27 category：National Metrology Standard (JJ)+ View
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Calibration Specification for Length Measuring Machine
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JJF 1066-2000 Calibration specification for length measuring machines JJF1066-2000 Standard download decompression password: www.b
2024-08-17 category：National Metrology Standard (JJ)+ View
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The Metallic Brinell Hardness Testing Machines
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JJG 150-1990 Metal Brinell Hardness Tester JJG150-1990 Standard Download Decompression Password: www.bzxz.net
2024-08-17 category：National Metrology Standard (JJ)+ View
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Taper Gauges
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This regulation applies to the initial verification, subsequent verification and in-use inspection of Morse and metric, 7:24 and d
2024-08-17 category：National Metrology Standard (JJ)+ View
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