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GB standards are the China national standards; Prefix code GB are Mandatory standards, GB/T are Recommended standards; All products or service must be compliance with GB standards; If you want to export products or services to huge Chinese market, need ensure they are meet the requirements of GB china national standards;  We provide Chinese GB standards and English version GB standards  Lookup, Translate, Download, Imported Commodity GB standards Testing and Compliance review services.
  •  China "direct" GB Standards List:
  • Standard  Code GB Standard Title Standard Class Order
  • GB/T 33708-2017
  • Static meter for direct current energy direct
    China National Standards
  • GB/T 33551-2017
  • Portable small-type diesel engine-pumps direct-linking unit—Specification for performance evaluation direct
    China National Standards
  • GB/T 33552-2017
  • Small-size gasoline engine direct-link high speed centrifugal pumps—Specification for performance evaluation direct
    China National Standards
  • GB/T 33698-2017
  • Solar energy resources measurement—direct radiation direct
    China National Standards
  • GB/T 33677-2017
  • Classification of solar energy resources—direct radiation direct
    China National Standards
  • GB/T 33692-2017
  • Automatic solar tracker for direct radiation measurement direct
    China National Standards
  • GB/T 15623.2-2017
  • Hydraulic fluid power—Electrically modulated hydraulic control valves—Part 2: Test methods for three-port directional flow-control valves direct
    China National Standards
  • GB/T 34641-2017
  • Non-destructive testing—Test method for determining image quality in direct thermal neutron radiographic examination direct
    China National Standards
  • NB/T 51073-2017
  • (Coal Mine Construction Roadway Project direct Fees Estimation Quota) direct
    China Energy industry Standards
  • GB/T 7676.5-2017
  • direct acting indicating analogue electrical measuring instruments and their accessories—Part 5:Special requirements for phase meters, power factor meters and synchroscopes direct
    China National Standards
  • GB/T 7676.9-2017
  • direct acting indicating analogue electrical measuring instruments and their accessories—Part 9:Recommended test methods direct
    China National Standards
  • GB/T 311.3-2017
  • Insulation co-ordination—Part 3: Procedures for high-voltage direct current (HVDC) converter stations direct
    China National Standards
  • GB/T 34611-2017
  • Rigid polyurethane spray polyethylene winding prefabricated directly buried insulating pipes direct
    China National Standards
  • GB/T 34568-2017
  • Iron ores for blast furnace and direct reduction feedstocks-Determination of bulk density direct
    China National Standards
  • GB/T 7676.4-2017
  • direct acting indicating analogue electrical measuring instruments and their accessories—Part 4:Special requirements for frequency meters direct
    China National Standards
  • GB/T 7676.1-2017
  • direct acting indicating analogue electrical measuring Instruments and their accessories—Part 1:Definitions and general requirements common to all parts direct
    China National Standards
  • GB/T 7676.2-2017
  • direct acting indicating analogue electrical measuring instruments and their accessories—Part 2:Special requirements for ammeters and voltmeters direct
    China National Standards
  • GB/T 7676.6-2017
  • direct acting indicating analogue electrical measuring instruments and their accessories—Part 6:Special requirements for ohmmeters(impedance meters ) and conductance meters direct
    China National Standards
  • GB/T 7676.7-2017
  • direct acting indicating analogue electrical measuring instruments and their accessories—Part 7:Special requirements for multi-function instruments direct
    China National Standards
  • GB/T 34876-2017
  • Vacuum technology—Vacuum gauges—Evaluation of the uncertainties of results of calibrations by direct comparison with a reference gauge direct
    China National Standards
  • GB/T 7676.3-2017
  • direct acting indicating analogue electrical measuring instruments and their accessories—Part 3:Special requirements for wattmeters and varmeters direct
    China National Standards
  • GB/T 4104-2017
  • Determination of whiteness for zinc oxide produced by direct process direct
    China National Standards
  • GB/T 34865-2017
  • Capacitors for high voltage direct current transfer switches direct
    China National Standards
  • GB/T 7676.8-2017
  • direct acting indicating analogue electrical measuring instruments and their accessories—Part 8:Special requirements for accessories direct
    China National Standards
  • GB/T 34689-2017
  • Digital printing materials—Computer direct plate-making plate(CTP Plate)—Test of unit area mass of oxidation layer direct
    China National Standards
  • GB/T 21211-2017
  • Equivalent loading and superposition techniques—Indirect testing to determine temperature rise of rotating electrical machines direct
    China National Standards
  • GB/T 34740-2017
  • Diagnostic methods for animal rabies diagnosis with direct immunofluorescence assay direct
    China National Standards
  • GB/T 34873-2017
  • Vacuum gauges—Calibration by direct comparison with a reference gauge direct
    China National Standards
  • GB/T 3780.17-2017
  • Carbon black—Part 17: Indirect determination of particle size—Reflectance method direct
    China National Standards
  • GB/T 32531-2016
  • Printing machinery—Violet laster digital direct plate setter direct
    China National Standards
  • DL/T 1670-2016
  • (Construction and Acceptance Standard of Exhaust Steam Pipeline for direct Air - cooling System in Thermal Power Plant) direct
    China Electricity & Power Standards
  • GB/T 32524.1-2016
  • Acoustics—Determination of sound power level and directivity character of power capacitor unit using sound pressure—Part 1: Precision method for hemi-anechoic rooms direct
    China National Standards
  • JT/T 1049.3-2016
  • Road transport administration management information system Part 3: Data resource directory service interface direct
    China Highway & Transportation Standards
  • GB/T 26949.7-2016
  • Industrial trucks—Verification of stability—Part 7: Bidirectional and multidirectional trucks direct
    China National Standards
  • GB/T 22638.6-2016
  • Test methods for aluminium and aluminium alloy foils—Part 6: Determination of direct current resistance direct
    China National Standards
  • GB/T 1408.2-2016
  • Insulating materials—Test methods for electric strength—Part 2: Additional requirements for tests using direct voltage direct
    China National Standards
  • GB/T 32524.2-2016
  • Acoustics—Determination of sound power level and directivity character of power capacitor using sound pressure—Part 2: Engineering methods for an essentially free field over a reflecting plane direct
    China National Standards
  • DL/T 1672-2016
  • (Aluminum indirect air - cooled tube bundle for thermal power plant) direct
    China Electricity & Power Standards
  • SJ/T 11642-2016
  • (direct broadcast satellite television broadcasting receiving planar antenna General specification) direct
    China Electronics Standards
  • GB/T 33348-2016
  • Voltage sourced converter valves for high-voltage direct current power transmission—Electrical testing direct
    China National Standards
  • GB/T 10322.7-2016
  • Iron ores and direct reduced iron—Determination of size distribution by sieving direct
    China National Standards
  • CJJ/T 254-2016
  • (Technical Specification for Leakage Monitoring System of direct - buried Hot Water Pipeline for Urban Heating) direct
    China Urban Construction industry Standards
  • SY/T 7348-2016
  • (Corrosion evaluation criteria for steel pipes and tanks - Part 4: direct evaluation of stress corrosion cracking of buried steel pipes) direct
    China Oil & Gas Industry Standards
  • JT/T 1064-2016
  • (Bridge damping multi-directional displacement comb telescopic device) direct
    China Highway & Transportation Standards
  • NB/T 12005-2016
  • (direct coal liquefaction residue analysis component solvent extraction method) direct
    China Energy industry Standards
  • SY/T 0087.4-2016
  • (Corrosion evaluation criteria for steel pipes and tanks - Part 4: direct evaluation of stress corrosion cracking of buried steel pipes) direct
    China Oil & Gas Industry Standards
  • HJ 789-2016
  • Water quality. Determination of Acetonitrile. direct injection /Gas chromatography direct
    China Environmental Protection Industry Standards
  • SY/T 5416.3-2016
  • Measurement and inspection of directional surveying instruments. Part3-Gyroscope direct
    China Oil & Gas Industry Standards
  • SY/T 5416.2-2016
  • (Measurement and inspection of measuring instruments for directional wells - Part 2: Electronic single - multipoint class) direct
    China Oil & Gas Industry Standards
  • SY/T 5416.1-2016
  • Measurement and inspection of directional surveying instruments. Part1-Measurement while drilling direct
    China Oil & Gas Industry Standards
  • NB/T 31103-2016
  • (Technical specification for main control system software functions of direct - drive permanent magnet wind turbines) direct
    China Energy industry Standards
  • GB/T 13161-2015
  • Radiation protection instrumentation—Measurement of personal dose equivalents Hp(10) and Hp(0,07) for X, gamma, neutron and beta radiations—direct reading personal dose equivalent meters direct
    China National GB Standards
  • GB/T 2543.1-2015
  • Textiles—Determination of twist in yarns—Part 1: direct counting method direct
    China National Standards
  • GB/T 4372.4-2015
  • Methods for chemical analysis of zincoxide produced by direct process—Part 4:Determination of cadmium oxide content—Flame atomic absorption spectrometry method direct
    China National Standards
  • GB/T 31529-2015
  • Digital printing materials—Computer direct plate-making plate(CTP Plate)—Test of unit area weight of photosensitive coating direct
    China National Standards
  • SN/T 4116-2015
  • (Determination of photoelectric direct reading Xiqianhanliao tin, lead, antimony, bismuth, silver, copper, zinc, cadmium and arsenic emission spectrometry) direct
    China Import Export Inspection Standards
  • GB/T 31518.1-2015
  • direct-drive permanent magnet type wind turbine generator system—Part 1: Technical condition direct
    China National Standards
  • YD/T 2802-2015
  • (Built-in multi-directional single-fiber OTDR PON OLT optical module) direct
    China Telecommunication Standards
  • GB/T 4372.3-2015
  • Methods for chemical analysis of zincoxide produced by direct process—Part 3:Determination of copper oxide content—Flame atomic absorption spectrometry method direct
    China National Standards
  • GB/T 31949-2015
  • Manganese ores—Determination of mercury content—Solid sampling and direct mercury analysis method direct
    China National Standards
  • GB/T 31948-2015
  • Chromium ores—Determination of mercury content— Solid sampling and direct mercury analysis method direct
    China National Standards
  • GB/T 31743-2015
  • Animal and vegetable fats and oils—Determination of solid fat content by pulsed NMR—direct method direct
    China National Standards
  • GB/T 31487.1-2015
  • direct current de-icing devices—Part 1: System design and application guide direct
    China National Standards
  • GB/T 31947-2015
  • Iron ores—Determination of mercury content—Solid sampling and direct mercury analysis method direct
    China National Standards
  • DL/T 1484-2015
  • Technical specification for direct current electricity meters direct
    China Electricity & Power Standards
  • GB/T 31518.2-2015
  • direct-drive permanent magnet type wind turbine generator system—Part 2: Test method direct
    China National Standards
  • GB/T 31487.3-2015
  • direct current de-icing devices—Part 3:Tests direct
    China National Standards
  • GB/T 31385-2015
  • Service directives for travel agency direct
    China National Standards
  • GB/T 31487.2-2015
  • direct current de-icing devices—Part 2:Thyristor valves direct
    China National Standards
  • GB/T 7274-2015
  • Methods for the measurement of direct inter-electrode capacitances of electronic tubes and valves direct
    China National Standards
  • JR/T 0033-2015
  • (Insurance underlying data element directory) direct
    China Finance Standards
  • CJ/T 480-2015
  • Prefabricated directly buried composite insulating pipes with polyurethane (PUR) foamed-plastics and high density polyethylene (PE) casing pipes direct
    China Urban Construction industry Standards
  • DL/T 1428-2015
  • Acceptance guide for direct air-cooled system direct
    China Electricity & Power Standards
  • NB/T 33021-2015
  • Specification for electric vehicle off-board bi-directional charger direct
    China Energy industry Standards
  • QB/T 4804-2015
  • Industrial sewing machine. Technical requirements for direct-driven bearing less servo motor direct
    China Light Industry Standards
  • NB/SH/T 0893-2015
  • Oil dispersion test at medium temperature for passenger car direct injection diesel engines direct
    China Energy industry Standards
  • SN/T 4063-2014
  • (Determination of mercury in medicines vegetable export direct injection - cold vapor atomic absorption spectrometry) direct
    China Import Export Inspection Standards
  • GB/T 4372.1-2014
  • Methods for chemical analysis of zincoxide produced by direct process―Part 1:Determination of zinc oxide content―Na2EDTA titration method direct
    China National Standards
  • YD/T 2759-2014
  • (10Gbit/s single fiber bidirectional optical transceiver module) direct
    China Telecommunication Standards
  • SN/T 3912.3-2014
  • (Determination of imported condensate mercury in direct injection method) direct
    China Import Export Inspection Standards
  • GB/T 4372.5-2014
  • Methods for chemical analysis of zinc oxide produced by direct process―Part 5:Determination of manganese content―Flame atomic absorption spectrometry method direct
    China National Standards
  • GB/T 31112-2014
  • Classification of Non-directional Self-ballasted LED-lamps for general lighting services direct
    China National Standards
  • GB/T 24908-2014
  • Non-directional Self-ballasted LED-lamps for general lighting services―Performance requirements direct
    China National Standards
  • GB/T 17699-2014
  • Electronic data interchange for administration,commerce and transport(EDIFACT)―Data element directory direct
    China National GB Standards
  • GB/T 31090-2014
  • Diesel component from direct coal liquefaction direct
    China National Standards
  • GB/T 31253-2014
  • Natural gas―Validation for gaseous reference materials―direct measurement of calorific value and density direct
    China National Standards
  • GB/T 30553-2014
  • High-voltage direct current power transmission using voltage sourced converters direct
    China National Standards
  • GB/T 15635-2014
  • Electronic data interchange for administration, commerce and transport (EDIFACT)―Composite data elements directory direct
    China National GB Standards
  • GB/T 15634-2014
  • Electronic data interchange for administration, commerce and transport(EDIFACT)―Segment directory direct
    China National GB Standards
  • GB/T 4372.6-2014
  • Methods for chemical analysis of zincoxide produced by direct process―Part 6:Testing of metallic zinc direct
    China National Standards
  • GB/T 4372.7-2014
  • Methods for chemical analysis of zinc oxide produced by direct process―Part 7:Determinantion of ferric oxide content―Flame atomic absorption spectrometry method direct
    China National Standards
  • JR/T 0116-2014
  • (Banking standardization directory) direct
    China Finance Standards
  • GB/T 31110-2014
  • Paper and board―Determination of z-directional tensile strength direct
    China National Standards
  • GB/T 4372.2-2014
  • Methods for chemical analysis of zinc oxide produced by direct process―Part 2:Determination of lead oxide content―Flame atomic absorption spectrometry method direct
    China National Standards
  • GB/T 30746-2014
  • Technical directives for the disaster prevention and mitigation of storm surge direct
    China National Standards
  • GB/T 30839.4-2014
  • Energy consumption grading for industrial electroheat installations―Part 4: Indirect resistance furnaces direct
    China National Standards
  • GB/T 31142-2014
  • directives for selection and application of transfer switching equipment direct
    China National Standards
  • QB/T 4689-2014
  • direct current membrane air pump for aquariums and similar applications direct
    China Light Industry Standards
  • GB/T 30547-2014
  • Filter resistor for high voltage direct current (HVDC) transmission system direct
    China National Standards
  • JJF 1468-2014
  • Calibration Specification for Omnidirectional Sound Sources direct
    China Metrological Standards

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