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Industry Standard: JJ, JJ/T, JJT
              
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Std ID Description (Standard Title)
JJG 176-1995 Verification Regulation of Sound Calibrator
JJG 176-2005 Verification regulation of sound calibrators
JJG 177-1977 (Chinese Industry Standard)
JJG 177-1993 Verification Regulation of taper gauges
JJG 177-2003 Verification Regulation of Taper Gauges
JJG 177-2016 Taper Gauges
JJG 178-1989 (Chinese Industry Standard)
JJG 178-1996 Verification Regulation of Visible Range Spectrophotometer
JJG 178-2004 Measure for Gauge for Measuring Distance Between Inside Rim Faces of Wheels for Railway Locomotive and Vehicle
JJG 178-2007 Verification Regulation of Ultraviolet, Visible, Near-Infrared Spectrophotometers
JJG 179-1981 V.R. of Photoelectric Colorimeter within Filter
JJG 179-1990 Verification Regulation of Filter Photoelectric Colorimeter
JJG 179-2004 Measurement Machines for Wheel-Height of Railway Vehicle
JJG 180-1978 Verification Regulation of Quartz Crystal Oscillator within Electronic Counter
JJG 180-2002 Crystal Oscillator inside the Electrical Measurement Instrument
JJG 180-2004 Clearance Detector of Rolling Stock Gauge for Standard Gauge Railway
JJG 181-1978 (Chinese Industry Standard)
JJG 181-1989 Verification Regulation of High Stable Quartz Crystal Oscillator
JJG 181-2004 Test Instrument of the Train Running and Monitoring and Recording Equipment
JJG 181-2005 Verification Regulation of Quartz Crystal Frequency Standards
JJG 18-1980 (Chinese Industry Standard)
JJG 18-1990 Verification Regulation of Glass Syringes for Medical Use
JJG 18-2002 The tobacco special breathable degrees flow disk test procedures
JJG 18-2008 Verification regulation of syringes for medical use
JJG 182-1978 (Chinese Industry Standard)
JJG 182-1993 Verification Regulation of V-Shape Anvil Micrometers
JJG 182-2004 Alternating-Current Electrical Energy Meters for Electric Locomotive
JJG 182-2005 Verification Regulation of Micrometers with Prismatically Arranged Measuring Faces
JJG 183-1978 V.R. of Standard Capacitors
JJG 183-1992 Verification Regulation of Standard Capacitors
JJG 183-2004 The locomotive electrical measurement remote pressure gauge VRof
JJG 184-1993 Verification Regulation for the Volume of Liquefied Gass Railway Tank Car
JJG 184-2004 Locomotive odometer VRof
JJG 184-2012 Verification Regulation of Volume of Rail Tankers for Liquefied Gases
JJG 185-1978 Verification Regulation of Standard Hydrophone (Grade II)
JJG 185-1997 Verification Regulation of Measuring Hydrophone in the Frequency Range 500Hz to 1 MHz
JJG 185-2004 Locomotive speed meter testing procedures
JJG 186-1989 (Chinese Industry Standard)
JJG 186-1997 Verification Regulation of Moving Coil Indicators and Step -indication Controllers Associated for Measuring Temperature
JJG 186-2005 The railway branch from the ulnar VRof
JJG 187-2004 A fixed frog wear scale test procedures
JJG 188-1990 (Sound Level Meter test procedures)
JJG 188-2002 Verification regulation of sound level meters
JJG 188-2005 The railway branch from the ulnar test is VRof
JJG 189-1987 Verification Regulation of Mechanical Vibration Generator for Testing
JJG 189-1997 Verification regulation of mechanical vibration genetator for testing
JJG 189-2010 Diesel maximum combustion pressure measurement device VRof
JJG 190-1987 Verification Regulation of Electrodynamic Vibration Generator System for Testing
JJG 190-1997 Verification regulation of electrodynamic vibration generator for testing
JJG 190-2005 Main Test Instrument of the Train Tail Safety Protection Device
JJG 191-1979 Verification Regulation of Calibrators for the Levels
JJG 191-2002 Verification Regulation of Calibrators for the Levels
JJG 191-2006 Inspecting Instrument for Static Geometry Parameter of Track
JJG 19-1958 Verification Regulation of Volumetric Cylinder with Handle
JJG 19-1985 Velification regulation of volumetric cylinder with handle
JJG 19-2003 By tobacco the dedicated smoking machine anemometer VRof for
JJG 192-1979 (Vernier caliper (measurement limit is greater than 1000 to 2000 mm) Trial test procedures)
JJG 192-2006 Calibrater for Inspecting Instrument for Static Geometry Parameter of Track
JJG 193-1987 Verification Regulation of Micrometer with Measuring Range from 500 to 3000mm
JJG 193-2007 Bourdon Pressure Gauge for Railway Locomotives and Vehicles
JJG 194-1979 (Chinese Industry Standard)
JJG 194-1992 Verification Regulation of Box Plate
JJG 194-2007 Verification Regulation of Box Plates
JJG 195-1979 (Roller belt scale trial test procedures)
JJG 195-2002 Verification regulation of Continuous Totalizing Automatic Weighing Instruments (Belt Weigher)
JJG 195-2007 Loading Instrument of Wheel Loader for Railway
JJG 1961-1959 (Chinese Industry Standard)
JJG 196-1979 (Chinese Industry Standard)
JJG 196-1990 Verification Regulation of General Volumetric Glass
JJG 196-2006 Verification regulation of working glass container
JJG 197-1979 Verification regulation of high frequency LC-meter type LCCG-1
JJG 198-1990 (Chinese Industry Standard)
JJG 198-1994 Verification Regulation of Velocity Flow Meter
JJG 199-1980 Verification Regulation of Mini -Load Material Testing Machine
JJG 199-1996 Vdrification regulation of tone burst generators
JJG 199-2009 Rules for measuring guide post position of bogie
JJG 200.1-2009 Measuring tools of making for adapter on freight car
JJG 200.2-2009 Measuring tools of repairing for adapter on freight car
JJG 2001-1987 Verification scheme of line measuring instruments
JJG 200-1980 Verification regulation of heterodyne frequency meters
JJG 2002-1987 Verification scheme of measuring instruments for taper gauges
JJG 2003-1987 Verification scheme of thermocouples
JJG 2004-1987 Verification scheme of radiation thermometers
JJG 2005-1987 Verification scheme of measuring instruments for Brinell Hardness Testers
JJG 2006-1987 National Verification Scheme for Measuring Instruments of Nardness Testing on Shore Scale D
JJG 2006-1996 National Verification Scheme for measuring instruments of hardness testing on shore scale d
JJG 2007-1987 Verification System of Time and Frequency Measuring Instruments
JJG 2007-2007 Verification Scheme of Time and Frequency Measuring Instruments
JJG 2007-2015 Verification Scheme of Time and Frequency Measuring Instruments
JJG 2008-1987 Verification scheme of RF voltage measuring instruments
JJG 2009-1987 Verification scheme of RF and microwave power measuring instruments
JJG 2010-1987 Verification Scheme of RF and Microwave Attenuation Measuring Instruments
JJG 2010-2010 Verification scheme of measuring instruments for RF and microwave attenuation
JJG 2011-1987 Verification scheme of RF impedance measuring instruments
JJG 201-1999 Verification Regulation of Tester for Dial Indicator Gauge
JJG 201-2008 Verification Regulation of Tester for Dial Indicator Gauges
JJG 201-2009 Measuring Tools for Profile of Rail
JJG 2012-1987 Verification scheme of 3cm impedance measuring instruments
JJG 2013-1987 Verification scheme of the RF and microwave phase shift measuring instruments
JJG 2014-1987 Verification scheme of radion frequency and microwave noise measuring instruments