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Verification Regulation of Standard Dual Piston Type Pressurevacuum Gauge (Grade Ⅱ＆Ⅲ)
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JJG 159-1994 Second and Third Class Standard Double Piston Pressure Vacuum Gauge JJG159-1994 Standard Download Decompression Passw
2024-08-15 category：National Metrology Standard (JJ)+ View
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Verification Regulation of Metallic superficial Rockwell Hardness Testing Machine
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JJG 152-1991 Verification Procedure for Rockwell Hardness Tester on Metal Surface JJG152-1991 Standard Download Decompression Pass
2024-08-15 category：National Metrology Standard (JJ)+ View
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Verification Regulation of Nonself-indicating Weighing Instrument
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This procedure applies to the initial verification, subsequent verification and in-use inspection of medium accuracy and ordinary
2024-08-15 category：National Metrology Standard (JJ)+ View
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Verification Regulation of Standard Piston Gauge (GradeⅡ & Ⅲ)
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JJG 59-1990 Second and third class standard piston pressure gauge JJG59-1990 standard download decompression password: www.bzxz.ne
2024-08-15 category：National Metrology Standard (JJ)+ View
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Verification Regulation of Laser for Medicine
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This specification applies to the calibration of newly manufactured, in-use and repaired medical laser sources. The pulse frequenc
2024-08-15 category：National Metrology Standard (JJ)+ View
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Verification Regulation of Focimeters
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JJG 580-1996 Focimeter Verification Procedure JJG580-1996 Standard download decompression password: www.bzxz.net
2024-08-15 category：National Metrology Standard (JJ)+ View
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Capsule Pressure Gauges
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JJG 573-1988 Trial verification procedure for diaphragm pressure gauge JJG573-1988 standard download decompression password: www.b
2024-08-15 category：National Metrology Standard (JJ)+ View
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Verification Regulation of Automatic Gravimetric Filling Instruments
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JJG 564-2002 Verification Procedure for Gravity-Type Automatic Loading Scale (Quantitative Automatic Scale) JJG564-2002 Standard d
2024-08-15 category：National Metrology Standard (JJ)+ View
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