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Industry Standard: JJ, JJ/T, JJT
              
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Std ID Description (Standard Title)
JJG 699-1990 Verification Regulation of Integrating Sound Level meters
JJG 700-1990 Verification regulation of gas chromatograph
JJG 700-1999 Verification regulation of gas chromatograph
JJG 700-2016 Verification Regulation of Gas Chromatograph
JJG 701-1990 Verification Regulation of Melting-Point-Measuring Instruments with Capillary Method
JJG 701-2008 Verification Regulation of Melting-point Measurement Instruments
JJG 70-1980 (Chinese Industry Standard)
JJG 70-1993 Verification Regulation of Angle Gauge
JJG 70-2004 Verification Regulation of Angle Gauge Blocks
JJG 702-1990 Verification Regulation of Ships Liquid Cargo Tank Capacity
JJG 702-2005 ShipLiquid Cargo Tank Capacity
JJG 703-1990 Verification Regulation of Electro-magnetie Distance Measuring Instrument
JJG 703-2003 Verification Regulation of Electro-optical Distance Meter (EDM Instruments)
JJG 704-1990 Verification Regulation of Welding Measuring Rulers
JJG 704-2005 Verification Regulation of Callipers for Welding Inspection
JJG 705-1990 (Laboratory liquid chromatography)
JJG 705-2002 Verification regulation of Liquid chromatographs
JJG 705-2014 Liquid Chromatography
JJG 706-1990 Verification Regulation of Self-balance Display Instruments with Step-contral
JJG 707-1990 Verification Regulation of Wrench for Measurement of Torque
JJG 707-2003 Verification Regulation of Torque Wrenches
JJG 707-2014 Torque Wrenches
JJG 708-1990 Verification Regulation of a Dial Railway Track Scale
JJG 709-1990 Verification Regulation of a Motion Weighing Railway Track Scale Non Locomotive Traction
JJG 711-1990 Verification Regulation of Weirs and Flumes for Flow Measurement
JJG 71-1982 (Chinese Industry Standard)
JJG 71-1991 Verification Regulation of Standard Metallic Scale (GradeIII)
JJG 71-2005 Verification Regulation of Standard Metallic Scale (Grade Ⅲ)
JJG 712-1990 Verification Regulation of Electronic Level
JJG 713-1990 Verification Regulation of Cyanide Meter using Direct Current Method
JJG 714-1990 Verification Regulation of Blood Cell Analyzer
JJF 008-2008 Length to 1000mm glass grating linear displacement standard scale calibration norms
JJG 715-1991 Verification Regulation for Water. Quality Synthetical Analyse Instrument
JJG 716-1991 Verification Regulation of 0~419. 527 Celsius Working Standard Platinum Resistance Thermometer
JJG 717-1991 Verification Regulation of the Standard Total Radiation Pyrometer
JJG 718-1991 Verification Regulation of Mobile Detecting Meter of Temperature
JJG 719-1991 Verification Regulation for Working Standard of directcurrent Electromotive force
JJG 7-1958 (Chinese Industry Standard)
JJG 7-1986 Verification Regulation of Scale Square
JJG 7-2004 Verification Regulation of Squares
JJG 720-1991 Verification Regulation of Wide Band Frequency Stability Measurement Set in Time Domain
JJG 721-1991 Verification Regulation of 500MHz Phase Noise Measurement Set (Phase Detector Method)
JJG 721-2010 Verification regulation of phase noise measurement system
JJG 72-1959 Verification Regulation of Linear Comparator
JJG 72-1980 Verification regulation of linear comparator
JJG 722-1991 Verification Regulation of Standard Digital Clock
JJG 723-1991 Verification Regulation of Time Interval Generator
JJG 723-2008 Verification Regulation of Time Interval Generator
JJG 724-1991 Verification Regulation of DC Digital Ohmmeter
JJG 725-1991 Verification Reulation of DC and LF Characterization Tester for Transistor
JJG 726-1991 Verification Regulation of Standard Inductors
JJG 727-1991 Verification Regulation of Working Standard of Piston Manometers
JJG 728-1991 Verification Regulation of Expansion Vacuum Apparatus (Grade I)
JJG 729-1991 Verification Regulation of Dynamic Relative Vacuum Apparatus (Grade Ⅱ)
JJG 730-1991 Verification Regulation of the Diesel Engine Peak Pressure Indicator
JJG 731-1991 Verification Regulation of Quantitative Automatic Weighing Instrument
JJG 73-1983 (Chinese Industry Standard)
JJG 73-1994 Verification Regulation of Glass Line Standard for Measuring Length up to 200mm (Grade I, II)
JJG 73-2005 Verification Regulation of High-precision Line Scale
JJG 732-1991 Verification Regulation of Working Standard Lamps for Luminous Intensity
JJG 733-1991 Verification Regulation of Working Standard Lamps for Total Luminous Flux
JJG 734-1991 Verification Regulation of Deadweight Force Standard Machine
JJG 734-2001 Verification Regulation of Force Standard Machines
JJG 735-1991 Verification Regulation of the Standard Dosimeter of Water Absorbed Dose for γ-Rays (Radiation Processing Level)
JJG 736-1991 Verification Regulation of Gas Laminar Flow Transducter
JJG 736-2012 Verification Regulation of Gas Laminar Flow Transducers
JJG 737-1997 Verification regulation of 0Hz~30MHz variable attenuator
JJG 738-1991 Verification Regulation of Taxi Meter Standard Equipment
JJG 738-2005 Verification Regulation of Standard Equipment for Taximeter
JJG 739-1991 Verification Regulation of Double Frequency Laser Interferometer
JJG 739-2005 Verification Regulation of Laser Interferometers
JJG 740-1991 Verification Regulation of Milling Straight Edge
JJG 740-2005 Verification Regulation of Milling Straight Edges
JJG 741-1991 Verification Regulation of Standard Steel Tape
JJG 741-2005 Verification Regulation of Standard Steel Tapes
JJG 74-1983 (Chinese Industry Standard)
JJG 74-1992 Verification Regulation of Selfbalance Display Instruments
JJG 74-2005 Verification Regulation of Recorders for Industrial. Process Measurement
JJG 742-1991 Verification Regulation of Zngler Viscosimeter
JJG 743-1991 Verification Regulation of Flow Cups Viscosimeter
JJG 744-1991 Medical Diagnostical x Ray Radiation Source
JJG 744-1997 Verification Regulation of Medical Diagnostical X Ray Radiation Source
JJG 744-2004 Verification Regulation of Medical diagnostic X-ray Radiation Source
JJG 745-1991 Verification Regulation of Headlamp Tester for Motor Vehicle
JJG 745-2002 Verification Regulation of Headlamp Testers for Motor Vehicle
JJG 745-2016 Headlamp Testers for Motor Vehicle
JJG 746-1991 Verification Regulation for Ultrasonic Inspection Instruments
JJG 746-2004 Verification Regulation for Ultrasonic Flaw Detectors
JJG 747-1991 Leeb Hardness Tester
JJG 747-1999 Verification regulation of equotip hardness tester
JJG 748-1991 Verification Regulation of Oscilloscopic Polarograph
JJG 748-2007 Verfication Regulation of Oscilloscopic Polarograph
JJG 749-1991 Electrocardlograph Calibration Device
JJG 749-1997 Verification Regulation of Calibration Device for Electrocaldiograph and Electroencephalograph
JJG 749-2007 Verification Regulation of Verification Instrument for Electrocardiograph and Electroencephalograph
JJG 750-1991 Verification Regulation of Speed and Milage Meter for Non-disintegrated Cars
JJG 751-1991 Verification Regulation of Activity Standard Device for 4πr Ionization Chamber
JJG 75-1982 Verification Regulation of the Standard Platinum Rhodium 10-Platinum Thermocouple
JJG 75-1995 Verification Regulation of the Standard Platinum-10% Rhodium/Platinum Thermocouple
JJG 752-1991 Verification Regulation of Activity Standard Device for Ge-γ-ray Spectrometer