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Industry Standard: JJ, JJ/T, JJT
              
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Std ID Description (Standard Title)
JJG 874-1994 Verification Regulation of Temperature Indication Controller
JJG 874-2007 Verification Regulation of Temperature Indication Controller
JJG 875-1994 Digital pressure gauges
JJG 875-2005 Verification Regulation of Digital Pressure Gauges
JJG 876-1994 Verification Regulation of Ship Meteorological Instrument
JJG 877-1994 Verification Regulation of Vapour Pressure Osmometer
JJG 877-2011 Verification Regulation of Vapor Pressure Osmometers
JJG 878-1994 Verification Regulation of Extrusion Plastometer
JJG 879-1994 Verification Regulation of C Wavelength Range UV Irradiance Meter for Medicinc
JJG 879-2002 Verification Regulation of Ultraviolet Irradiance Meters
JJG 879-2015 Ultraviolet Radiometers
JJG 880-1994 Verification Regulation of Turbidimeter
JJF 009-2008 To steering force angle Tester Calibration Specification
JJG 881-1994 Verification Regulation of Standard Clinical Thermometer
JJG 88-1983 Verification Regulation of Gear Concentriciity Tester
JJG 882-1994 Verification Regulation of Pressure Transmitters
JJF 010-2006 Y411B Sizing Humidity Indicator Calibration Specification
JJG 884-1994 Verification Regulation of Plastic Rock Well Hardness Testing Machine
JJG 885-1995 Verification Regulation of Instruments for Measuring Rolling Bearing Width
JJG 885-2014 Instruments for Measuring Rolling Bearing Width
JJG 886-1995 Verification Regulation of Tester for Measuring Raceway Diameter and Angle of Tapered Roller Bearing Ring
JJG 887-1995 Verification Regulation of Standard Tapered Roller Tester
JJG 887-2014 Verification Regulation of Standard Tapered Roller Tester
JJG 888-1995 Verification Regulation of Cylindrical Screaw Thread Gauges
JJG 889-1995 Verification Regulation of Magnetic Resistance Thickness Gauge
JJG 890-1995 The Verification Regulation for Textile Yarn Evenness Tester-Capacitance Method
JJG 891-1995 Verification regulation of instruments for measuring the moisture content of grain with capacitance and resistance method
JJG 89-1961 (Chinese Industry Standard)
JJG 89-1986 (Long flat crystal verification procedures)
JJG 892-1995 Verification Regulation of Refractometers
JJG 892-2005 Eye Refractometers
JJG 892-2011 Verification Regulation of Eye Refractometers
JJG 893-1995 Verification Regulation of Ultrasonic Source for Ultrasonic Doppler Fetal Heart Beat Detector
JJG 893-2007 Verification Regulation for Ultrasonic Source of Ultrasonic Doppler Foetal Meters
JJG 894-1995 Verification Regulation of Standard Ring Gauge
JJG 895-1995 Verification Regulation of the Characterization Systems for the Refraction Index Profile and Geometric Parameters of Optical Fiber
JJG 896-1995 Verification Regulation of Characterization Systems for the Loss and Mode Field Diameter of Optical Fiber
JJG 897-1995 Verification Regulation of Mass Flow Meters
JJG 898-1995 Verification Regulation of Microhardness Testing Machine in International Rubber Hardness Degree
JJG 899-1995 Verification regulation of analyzer of low water content in petroleum
JJG 900-1995 Verification Regulation of Photoelectric Shaft Enconder
JJG 901-1995 Verivication regulation of electron probe microanalyzer
JJG 90-1961 Verification Regulation of Grear Tooth Aligument and Concentricity Tester
JJG 90-1983 Verification regulation of gear tooth aligument and concentricity tester
JJG 902-1995 Verification Regulation of Partical size meter by photosedimentation
JJG 903-1995 Standard Attenuators for Laser
JJG 904-1996 Verification Regulation of Microscope for Reading
JJG 905-1996 Verification Regulation of Fineness of Grind Gage
JJG 905-2010 Verification regulation of fineness of grind gage
JJG 906-1996 Verification Regulation of Roller Opposite Forces Type Brake Tester
JJG 906-2009 Roller Opposite Force Type Brake Testers
JJG 906-2015 Roller Opposite Force Type Brake Testers
JJG 907-1996 Verification Regulation of Axle (Wheel)Load Scales
JJG 907-2003 Automatic Instruments for Weighing Road Vehicles in Motion (Total Vehicle Weighing)
JJG 907-2006 Verification Regulation of Automatic Instruments for Weighing Road Vehicles in Motion
JJG 908-1996 Verification Regulation of Slipe plate Type Automobile Side Slipe Tester
JJG 908-2009 Autombile side slip tester
JJG 909-1996 Verification Regulation of Roller Type Speedometer Tester
JJG 909-2009 Verification Regulation of Roller Type Speedometer Tester
JJG 910-1996 Verification Regulation of Tester for Wheel Deriation of Motorcycles
JJG 910-2012 Verification Regulation of Motorcycle Wheel Deviation Testers
JJG 911-1996 Verification Regulation of Dynamometers for steel-Wires
JJG 91-1978 (Chinese Industry Standard)
JJG 91-1989 Verification Regulation of Base Circle Involute and Helix Gear Tester
JJG 912-1996 Verification Regulation of Ion Chamber Dosimeters Used in Radiotherapy
JJG 912-2010 Verification Regulation of Ionization Chamber Dosimeters Used In Radiotherapy
JJG 913-1996 Verification Regulation of Buoy Type Oxygen Inhaler
JJG 913-2015 Verification Regulation of Buoy Type Oxygen Inhalers
JJG 914-1996 Verification Regulation of the Leak Detector of Sulfur Hexafluoride
JJG 915-1996 Verification Regulation of Carbon Monoxide Detector
JJG 915-2008 Verification regulation of carbon monoxide detectors
JJG 916-1996 Verification Regulation of Gas-Sensitive Chromatograph for Measuring Trace Hydrogen
JJG 917-1996 Verification Regulation of Cotton Colorimeter
JJG 918-1996 Verification Regulation of Vibrator for Compacting Mortar Specimen
JJG 919-1996 Verification Regulation of Verificating Meter for pH Meter
JJG 919-2008 Verification regulation of verificating meter for pH meters
JJG 9-1986 Verification Regulation of Body Weigh Scale
JJG 920-1996 Verification Regulation of diffuse transmission visual densitometer
JJG 921-1996 Verification Regulation of Noise. Vibration meter For measuring Envrionmental pollution
JJG 92-1975 Verification Regulation of Universal Gear Tester
JJG 92-1991 Verification Regulation of Uniwersal Gear Tester
JJG 922-1996 Verification Regulation of The Standard Device of Vertex Power for Refractometers
JJG 922-2008 Verification Regulation of Standard Devices of Vertex Power for Eye Refractometers
JJG 923-1996 Verification Regulation of Beer (EBC)Colorimeter
JJG 923-2009 Verification Regulation of Beer Colorimeters
JJG 924-1996 Verification Regulation of Tacho-Torque Measuring Device
JJG 924-2010 Verification Regulation of Tacho-Torque Measuring Device
JJG 925-1997 Verification Regulation of Net Pyrradiometer
JJG 925-2005 Verification Regulation of Net Pyrradiometers
JJG 926-1997 Verification Regulation of the Record Pressure Gauge, Pressure Vacuum Gauge and Vacuum Gauge
JJG 926-2015 Verification Regulation of Record Pressure Gauges, Pressure Vacuum Gauges and Vacuum Gauges
JJG 927-1997 Verification Regulation of Tyre Pressure Gauge
JJG 927-2013 Verification Regulation of Tyre Pressure Gauges
JJG 928-1998 Verification Regulation of Ultrasonic Ranger
JJG 929-1998 Verification Regulation of Digital Display Height Measuring Instrument
JJG 930-1998 Verification Regulation of Pile Dynamic Measuring Instrument
JJG 931-1998 Verification Regulation of Instruments for Measuing Moment of Pendulum of Impact tester
JJG 93-1961 (Chinese Industry Standard)
JJG 93-1981 Verification Regulation of Universal Involute Gear Tester
JJG 932-1998 Verification Regulation of piezoresistive vacuum gauge