GB/T 6684-2002

GB/T 6684-2002, Total:200 items.

The international standard classification for "GB/T 6684-2002" includes: Chemical reagents , Tyres in general , Telecontrol. Telemetering , Natural gas , Lamp caps and holders , Vibrations, shock and vibration measurements , Couplings , Marine engines and propulsion systems , Headgear. Clothing accessories. Fastening of clothing , Copper products , Materials and components for shipbuilding , Organic chemicals in general , Paper and board , Essential oils , Salts , Bases , Rubber compounding ingredients , Auxiliary materials and additives for plastics , Application of statistical methods , Industrial process measurement and control , Measuring instruments , Animal feeding stuffs , Surface preparation , Abrasives , Linear and angular measurements in general , Character sets and information coding , Telephone equipment , Measurement of fluid flow , Rubber , Other non-ferrous metals and their alloys , Steel bars and rods , Belt drives and their components , Cooking ranges, working tables, ovens and similar appliances , Optical measuring instruments , Fluorescent lamps. Discharge lamps , Relays , Electrical engineering in general , Fuels , Non-destructive testing , Fiber and cables , Refractories , Software development and system documentation , Cases. Boxes. Crates , Information sciences , Water quality , Bolts, screws, studs , Washers, locking elements , Fiber optic interconnecting devices , Binders. Sealing materials , Glass in building , Sugar and sugar products , Magnetic components , Mechanical testing of metals , Powder metallurgy , Acoustics measurements and noise abatement in general , Electrical engineering (Vocabularies) , Irrigation and drainage equipment , Mica based materials , Control components , Vibration and shock with respect to human beings , Plant care equipment , Pharmaceutics in general , Electricity supply systems , Properties of surfaces , food products in general , Greenhouses and other installations , Wind turbine systems and other alternative sources of energy , Veterinary medicine , Respiratory protective devices , Surface treatment , Inks. Printing inks , Incandescent lamps , Environmental protection , IT applications in information, documentation and publishing , Insulating materials in general , Surface treatment and coating in general , Pressure vessels, gas cylinders , Postal services , Solar energy engineering , Fishing and fish breeding , Steels pipes and tubes for specific use , Power transmission and distribution lines , Noise emitted by means of transport , Electrical apparatus for explosive atmospheres , Equipment for the chemical industry , Electrical accessories in general , Textile fabrics , Transport by rail , Textile machinery , Occupational safety. Industrial hygiene , Plastics , Thermoplastic materials , Pesticides and other agrochemicals , Gases for industrial application , Pulps , Filters, seals and contamination of fluids , Cables , Textile fibres in general , Power capacitors , Industrial trucks , Optoelectronics. Laser equipment , Gas and steam turbines, Steam engines , Fasteners in general , Diodes , Glass products , Motion picture films. Cartridges , Tea , Concrete and concrete products , Timber structures .

The Chinese standard classification for "GB/T 6684-2002" includes: General inorganic reagent , Tyre , Electric power system , Natural gas , Lamp accessories , Basic standards and general methods , Coupling, brake and speed variator , Deck machinery , Daily-use hardware , Heavy metals and their alloys , Vessel materials and their inspection methods , Compartment auxiliary machine , Basic organic chemicals , Papermaking in general , Fragrances and flavors , Inorganic salt , Inorganic acid and alkali , Carbon black , Paper , Mathematics , Computer application , Measuring tool and instrument , Cereal crop and forage crop in general , Material Protection , Grinding material and apparatus , Codification , Telephone communication equipment , Special electronic technology material , Hydrology and water conservancy instrument , Synthetic rubber , Rare metals and their alloys , Profile steel and deformed steel , Rubber tube, rubber belt and tape , Cooking appliances, basic standards and general methods , Electron optics and other physical optics instrument , Electric light source products , Relay protection and automatic device , Basic standards and general methods , Coal analysis methods , Optical communication equipment , Basic refractory , Software engineering , Packaging material and container , Library, Archives, Literature and Information , Water supply and draining engineering in general , Fastener , Optoelectronic device assembly , Sealing material , Building glass , Sugar refining , Inductor and transformer , Metal material testing machine , Radio communication equipment , Animal quarantine, veterinary and epidemic prevention , Powder metallurgy material and product , Noise and vibration test methods , , Farming machinery and tools , Printing Technology , Electrical insulating material and its products , Hydraulic and pneumatic device , Medicinal herb and product , Building electrical equipment and disaster prevention equipment and instrument , Food sanitation , Agriculture and animal husbandry and agricultural reclamation engineering , Wind energy , Articles for labor protection , Electric lighting in general , New energy and others , Standardization and quality management , Pressure vessel , Postal packaging , Solar energy , Force and deformation test instrument , Aquatic product and fishery in general , Steel tube and cast iron pipe , Power station equipment automation devices , Explosion-proof electric apparatus , Sliding bearing , Non-metal chemical machinery equipment , Low-voltage distribution electrical equipment , Other textile articles , Printed circuit , Use and repair of railway handling machinery , Livestock and poultry feed and additive , Textile machinery and apparatus in general , School sanitation , Basic standards and general methods for adhesives , Metal mechanical property test method , Pesticide management and application method , Industrial gas and chemical gas , Rubber products in general , Cable and its accessory , Ramie textile in general , Power capacitor , Storage equipment and handling machinery , Semiconductor photosensing device , Gas turbine and its auxiliary equipment , Semiconductor diode , Industrial technical glass , Film and Photographic Technology , Program language , Tea products , Concrete structure engineering , Timber engineering , Concrete, aggregate, plaster and mortar .

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

GB/T 18707.1-2002 Mechanical vibration - Laboratory method for evaluating vehicle seat vibration - Part 1: Basic requirements
GB/T 451.2-2002 Peper and board--Determination of grammage
GB/T 12613.2-2002 Plain bearings--Wrapped bushes--Part 2:Test data for outside and inside diameter
GB/T 18741-2002 Health STANDARD of architectural design in school for the blind
GB/T 4489-2002 Flat transmission belts--Dimensions and tolerances
GB/T 18919-2002 The reuse of urban recycling water - Classified standard
GB/T 5070.4-2002 Magnesia-chrome refractories Methods for chemical analysis - Part 4: EDTA volumetric method for the determination of the amount of alumina
GB/T 18795-2002 Technology requirement for making STANDARD samples of tea
GB/T 8051-2002 Sequential sampling procedures and tables for inspection by attributes
GB/T 12824-2002 Rubberm,styrene-butadiene (SBR) 1502
GB/T 18898.1-2002 Erbium-doped fiber-amplifier—C-band erbium-doped fiber-amplifier
GB/T 18642-2002 Diagnostic techniques for trichinella spiralis in swine
GB/T 18622-2002 Greenhouse structure design load
GB/T 10419-2002 Steel bonded tungsten carbides--Determination of impact toughness
GB/T 2900.55-2002 Electrotechnical terminology--Live working
GB/T 18761-2002 Dial indicator with electronic digital display
GB/T 3429-2002 Wire rod for electrode
GB/T 5171-2002 General technical requirements for small power motors
GB/T 12770-2002 Welded Stainless Steel Tubes for Machine Structures
GB/T 18924-2002 Wirebound boxes
GB/T 18921-2002 The reuse of urban recycling water - Water quality standard for scenic environment use
GB/T 11270.1-2002 Abrasive products - Diamond circular saw blade - Part 1: Welded saw blades
GB/T 10723-2002 Standard method for carbon black--Improving test reproducibility using ASTM reference blacks
GB/T 90.2-2002 Fasteners--Marking and packaging
GB/T 18657.1-2002 Telecontrol equipment and systems - Part 5: Transmission protocols - Section 1: Transmission frame formats
GB/T 3780.10-2002 Carbon black--Determiantion of ash
GB/T 18672-2002 Lycium(Dried lycium berry)
GB/T 18310.21-2002 Fibre optic interconnecting devices and passive components--Basic test and meadurement procedures--Part 2-21:Test--Composite temperature-humidity cyclic test
GB/T 459-2002 Paper and board--Determination of demensional instability
GB/T 18813-2002 Transformer copper strip
GB/T 4323-2002 Pin coupling with elastic sleeve
GB/T 18873-2002 General specification of transmission electron microscope(TEM)-X-ray energy dispersive spectrum(EDS) quantitative microanalysis for thin biological specimens
GB/T 16895.15-2002 Electrical installations of buildings--Part 5:Seletion and erection of electrical equipment--Section 523:Current-carrying capacities in wiring systems
GB/T 18867-2002 Gases for electronic industry--Sulfur hexafluoride
GB/T 231.2-2002 Metallic Brinell hardness test - Part 2: Verification and calibration of hardness testers
GB/T 5070.8-2002 Magnesia-chrome refractory chemical analysis methods Part 8: CyDTA Capacity Determination of magnesium oxide content
GB/T 8101-2002 Hydraulic fluid power - Pressure-relief valves - Mounting surfaces
GB/T 3780.21-2002 Carbon black used in rubber products--Determination of sieve residue--Water washing method
GB/T 12908-2002 Information technology--Automatic identification and data capture technique--Bar code symbology specifications--Code 39
GB/T 7185-2002 Hydraulic steering gear on the inland navigation ships
GB/T 5070.10-2002 Magnesium chromite refractories Methods for chemical analysis - Part 10: ferrous ammonium sulfate volumetric method for determination of chromium oxide amount
GB/T 9833.1-2002 tea - Hua zhuan tea
GB/T 12137-2002 Method for leakage test of gas cylinders
GB/T 18861-2002 Test methods of rolling resistance for motor vehicle tyres
GB/T 13465.4-2002 Test method for impact ofimpermeable graphite materials
GB/T 13477.15-2002 Test method for building sealants Part 15: Determination of adhesion/cohesion properties after exposure to heat and artificial light through glass and to water
GB/T 18916.1-2002 Norm of water intake - Part 1: Electric power production
GB/T 13477.12-2002 Test method for building sealants Part 12: Determination of adhesion/cohesion properties at constant temperature
GB/T 238-2002 Metallic materials - Wire - Reverse bend test
GB/T 18690.3-2002 Agricultural irrigatoin equipment--Filters--Automatic self-cleaning strainer-type filters
GB/T 534-2002 Sulphuric acid for industrial use
GB/T 8321.7-2002 Guideline for safety application of pesticides(Ⅶ)
GB/T 13882-2002 Determination of iodine in feeds(Ferric thiocyanate-nitric acid catalytic kinetic method)
GB/T 18625-2002 Method for simple determination of organophosphorus and carbamate pesticide residues in tea - Enzyme inhibition method
GB/T 4657-2002 Codes for the Central Party and State Organs Peoples Communities and the others State Organizations
GB/T 1540-2002 Paper and board - Determination of water absorption - Cobb method
GB/T 18855-2002 Technical specifications of coal water mixture
GB/T 18789-2002 General specification for automated teller machine(ATM)
GB/T 18700.4-2002 Telecontrol equipment and systems － -Part 6-602: Telecontrol protocols compatible with ISO standards and ITU-T recommendations--TASE transport profiles
GB/T 9101-2002 Nylon 66 dipped tyre cord fabric`
GB/T 18719-2002 Thermal spraying--Terminology,classification
GB/T 18759.1-2002 Electrical equipment of machines--Open numerical control system--Part 1:General rules
GB/T 18777-2002 Geometrical Product Specification (GPS)--Surface texture:Profile method--Metrological characteristics of phase correct filters
GB/T 13539.6-2002 Low-voltage fuses--Part 2:Supplementary requirements for fuses by authorized persons (fuses mainly for industrial application)--Sections 1 to 5:Examples of STANDARDized fuses
GB/T 5745-2002 Marine disc separator
GB/T 18697-2002 Acoustics--Measurement of noise inside motor vehicles
GB/T 18904.3-2002 Semiconductor devices - Part 12-3: Optoelectronic devices-Blank detail specification for light emitting diodes - Display applicaton
GB/T 4706.56-2002 Safety of household and similar electrical appliances—Particular requirements for deep fat fryers, frying pans and similar appliances
GB/T 16606-2002 Envelope for postal express mail service
GB/T 12160-2002 Calibration of extensometers used in uniaxial testing (ISO 9513:1999,Metallic materials-Calibration of extensometers used in uniaxial testing, IDT)
GB/T 3093-2002 High-pressure seamless steel tubes for diesel engine
GB/T 9491-2002 Liquid flux for soldering(Rosin base)
GB/T 6589-2002 Semiconductor Devices—Discrete deveice—Part 3-2:Signal (including switching) and regulator diodes—Blank detail specification for voltage-regulator diodes and voltage-reference diodes (e
GB/T 18864-2002 Rubber,vulcanized--Antistatic and conductive products for industial use--Electrical resistance limits
GB/T 12652-2002 Oil of mentha arvensis,partially dementholized
GB/T 14975-2002 Stainless steel seamless tubes for structures
GB/T 6075.6-2002 Mechanical vibration - Evaluation of machine vibration by measurements on non-rotating parts - Part 6: Reciprocating machines with power ratings above 100kW
GB/T 7249-2002 Maximum lamp outlines for incandescent lamps
GB/T 18657.3-2002 Telecontrol equipment and systems--Part 5:Transmission protocols--Section 3:General structure of application data
GB/T 18710-2002 Methodology of wind energy resource assessment for wind farm
GB/T 18721-2002 Graphic technology - Prepress digital data exchange - CMYK STANDARD colour image data(CMYK/SCID)
GB/T 455-2002 Peper and board determination of tearing resistance
GB/T 5591.2-2002 Combined flexble materials for electrical insulation - Part 2: Methods of test
GB/T 14272-2002 Down garments
GB/T 5070.6-2002 Magnesia-chrome refractory chemical analysis methods Part 6: EGTA Capacity Determination of calcium oxide
GB/T 4950-2002 Sacrificial anode of Zn-Al-Cd alloy
GB/T 18640-2002 Diagnostic techniques for domestic animals schistosomoiasis Japonicum
GB/T 18825-2002 Cyclopentane for industrial use
GB/T 10336-2002 Pulps--Determination of fiber length by automated optical analysis--Polarized light method
GB/T 8307-2002 Tea - Determination of water - soluble ash and water - Insoluble ash content
GB/T 18654.10-2002 Inspection of germplasm for cultured fishes--Part 10:Determination on nutrient content of muscle
GB/T 14634.4-2002 methods of rare earth three - Band phosphors for fluorescent lamps - Determination of particle size distribution by electric sensing zone technique
GB/T 18849-2002 Powered industrial trucks--Brake performance and components strength
GB/T 18932.1-2002 Method for the determination of C-4 plant sugars in honey--Stable carbon isotope ratio mehtod
GB/T 6480-2002 Carbide detachable bit for rock drilling
GB/T 18856.13-2002 Test methods for quality of coal water mixture--Part 13: Determination for the ash of coal water mixture
GB/T 96.1-2002 Large series-Product grade A
GB/T 5297-2002 Cinematography--Maximum permissible area for subtitle on 35mm and 16 mm motion-picture release prints--Position and dimensions
GB/T 18929-2002 Acceptance tests for combined-cycle power plants
GB/T 18653-2002 Methods for isolation and identification of campylobactor fetus
GB/T 450-2002 Paper and board--Sampling for testing
GB/T 18708-2002 Test methods for thermal performance of domestic solar water heating systems
GB/T 18618-2002 Geometrical product specifications(GPS)--Surface texture--Profile method--Motif parameters
GB/T 9632.1-2002 Measuring methods of cores for inductors and transformers for telecommunications
GB/T 9580-2002 STANDARD practice for carbon black--Evaluation of a STANDARD reference black
GB/T 18619.1-2002 Natural gas--Determination of water by the Karl Fischer method--Coulometric procedure
GB/T 12690.3-2002 Chemical analysis methods for non-RE impurity of rare earth metals and their oxides-Determination of water content of rare earth oxides-Gravimetric method
GB/T 5169.17-2002 Fire hazard testing for electric and electronic products-Part 17: 500W flame test methods
GB/T 18905.6-2002 Software engineering - Product evaluation - Part 6: Documentation of evaluation modules
GB/T 18916.3-2002 Norm of water intake - Part 3: Petroleum refining
GB/T 12939-2002 Rims series for industrial vehicles
GB/T 14702-2002 of vitamin B6 in feeds-High-performance of liquid chromatography
GB/T 11826-2002 Rotating current meter
GB/T 18852-2002 Ultrasonic non-destructive testing - Reference blocks and test procedures for the characterization of contact search unit beam profiles
GB/T 18651-2002 Methods of fast agglutination test for bovine anaplasmosis
GB/T 13477.10-2002 Test method for building sealants Part 10: Determination of tensile properties at maintained extension
GB/T 15856.2-2002 Cross recessed countersunk head drilling screws
GB/T 18844-2002 Plain bearings - Terms,characteristics and causes of damage and changes in appearance
GB/T 16895.17-2002 Eletrical installatoins of buildings - Part 5: Selectrion and erection of electrical equipment - Section 548: Earthing arrangements and equipotential bonding for information technol
GB/T 18900-2002 Test methods for polarization mode dispersion of single-mode opticalfibres
GB/T 4553-2002 Sodium nitrate for industrial use
GB/T 4751-2002 Specification for check and acceptance of the quality for household anerobie digesters
GB/T 18926-2002 Packaging containers--Wood members
GB/T 18689-2002 Agricultural irrigation equipment--Manually operated small plastics valves
GB/T 453-2002 Peper and board--Determination of tensile properties (Constant rate loading methods)
GB/T 18700.1-2002 Telecontrol equipment and systems--Part 6:Telecontrol protocols compatible with ISO STANDARDs and ITU-T recommendations--Section 503:TASE.2 Service and protocol
GB/T 17262-2002 Single-capped fluorescent lamps--Performance requirements
GB/T 18856.2-2002 Test methods for quality of coal water mixture-Part 2-Determination of the solid load of coal water mixture
GB/T 6115.2-2002 Series capacitors for power systems - Part 2: Protective equipment for series capacitor banks
GB/T 5137.2-2002 Test Methods of Safety Glazing Materials Used on Road Vehicle
GB/T 3040-2002 Sheet of copper and copper alloy
GB/T 18894-2002 STANDARDs of electronic records filing and management
GB/T 337.1-2002 Concentrated Nitric Acid for Industrial Use
GB/T 18779.1-2002 Geometrical Product Specifications (GPS) - Inspection by measurement of workpieces and measuring equipment - Part 1: Decision rules for proving conformance or non-conformance with sp
GB/T 18797-2002 General requirement of the tea sensory test room
GB/T 2900.54-2002 Electrotechnical terminology--Radiocommunications:transmitters,receivers,networks and operations
GB/T 18627-2002 Method for determination of schradan residues in food
GB/T 18838.1-2002 Preparation of steel substrates before application of paints and related products - Specifications for metallic blast-cleaning avrasives - General introduction and classification
GB/T 4750-2002 Collection of STANDARD design drawings for household anerobie digesters
GB/T 18755.1-2002 Industrial automation systems--Manufacturing automation programming environment (MAPLE)--Functional architecture
GB/T 18798.2-2002 Instant tea in solid form--Determination of total ash
GB/T 18823-2002 Allowable error for judge of quality testing results in feeds
GB/T 2338-2002 Requirements and tests for overhead line spacers
GB/T 16987-2002 Specification for data format for China national organization registration code information database(basic base)
GB/T 18889-2002 Electric cables-test methods for accessories for power cables with rated voltage from 6kV (Um=7.2kV) up to 35kV (Um=40.5kV)
GB/T 9833.7-2002 tea - Jin Jian tea
GB/T 18909-2002 Sectional specification for high-frequency inductors and intermediate frequency transformers for use in electronic equipment for capability approval
GB/T 15279-2002 The specifications of automatic telephone set
GB/T 5020-2002 Insulating materials based on mica--Definitions and general requirements
GB/T 18905.1-2002 Software engineering-Product evaluation-Part 1:General overview
GB/T 762-2002 Standard current ratings
GB/T 14257-2002 Location of bar code symbol for commodity
GB/T 18664-2002 Selection, use and maintenance of respiratory protective equipment
GB/T 4348.2-2002 Sodium hydroxide for industrial use - Determination of sodium content - Mercurimetric method
GB/T 18818-2002 Inspecting specification for railway wagon dumper and bulk cargo unfreezing warehouse
GB/T 18699.1-2002 Acoustics - Determination of sound insulation performances of enclosures Part 1: Measurements under laboratory conditions(for declaration purposes)
GB/T 11017.2-2002 Power cables with cross-linded polyethylene insulation and their accessories for rated voltage of 110 kv - Part 2: Power cables with cross-linded polyethylene insulation for rated vo
GB/T 10715-2002 Belt drives-V-ribbed belts,joined V-belts and V-belts including wide section belts and hexagonal belts--Electrical conductivity of antistatic belts:Characteristics and methods of test
GB/T 18753-2002 Sunlight excitation color variable anti-counterfeiting printing ink
GB/T 13833-2002 stem for fibre flax
GB/T 14598.9-2002 Part 22-3:Electrical distrubance tests for measureing realys and protection equipment--Radiated electromagnetic field distrubance tests
GB/T 18746-2002 Zipper--Terminology
GB/T 5405-2002 Paper--Determination of the sizing value (Liquid permeance method)
GB/T 18884.2-2002 House hold kitchen - Part 2: General technique request
GB/T 18675-2002 Equipment for crop protection--Agricultural sprayers--Determination of the volume of total residual
GB/T 7111.7-2002 Textile machinery--Noise test code--Part 7:Dyeing and finishing machinery
GB/T 18658-2002 Charpy V reference test pieces for verification of pendulum - Type impact testing machines
GB/T 15856.3-2002 Cross recessed raised countersunk head drilling screws with tapping screw thread
GB/T 8630-2002 Textiles--Determination of dimensional change in washing and drying
GB/T 1599-2002 Antimony Ingot
GB/T 18880-2002 Materials of bonded neodymium iron boron permanent magnets
GB/T 14633-2002 Rare earth three-hand phosphors for fluorescent lamps
GB/T 18723-2002 Graphic technology--Determination of tack of paste inks and vehicles by a rotary tackmeter
GB/T 8302-2002 Tea - Sampling
GB/T 18616-2002 Corrugated flexible metallic hose assemblies for the protection of electrical cables in explosive atomspheres
GB/T 14039-2002 Hydraulic fluid power--Fluids--Method for coding the level of contamination by solid particles
GB/T 6075.2-2002 Mechanical vibration--Evaluation of machine vibration by measurements on non-rotating parts Part 2: Large land-based steam turbine generator sets in excess of 50MW
GB/T 10739-2002 Paper,board and pulps--STANDARD atmosphere for conditioning and testing
GB/T 14634.6-2002 Test methods of rare earth three-band phosphors for fluorescent lamps-Determination of specific surface area
GB/T 13477.17-2002 Test method for building sealants Part 17: Determination of elastic recovery
GB/T 13916-2002 Unnotel tolerance of shape and position for stampings
GB/T 18915.1-2002 Coated glass - Part 1: solar control coated glass
GB/T 24043-2002 Environmental management--Life cycle assessment--Life cycle interpretation
GB/T 9074.18-2002 Tapping screw and washer assemblies with plain washers
GB/T 18705-2002 Welded stainless steel pipes for decoration
GB/T 8304-2002 Tea - Determination of moisture content
GB/T 9581-2002 Oil for use in the carbon black products--Ethylene bottom
GB/T 6684-2002 Chemical reagent--Hydrogen peroxide 30%
GB/T 18793-2002 Information technology--Extensible Markup Language (XML)1.0
GB/T 5844-2002 Coupling with rubber type element
GB/T 1483.2-2002 Gauges of Edison screw lampholders
GB/T 18839.2-2002 Preparation of steel substrates before application of paints and related products - Surface preparation methods - Abrasive blast-cleaning
GB/T 18683-2002 Laser surface hardening of iron and ateel parts
GB/T 4850-2002 Test method for unwinding force force of pressure sensitive adhesive tapes at low speed
GB/T 18676-2002 Equipment for crop protection--Sprayer nozzles--Colour coding for identification
GB/T 13477.20-2002 Test method for building sealants Part 20: Determination of staining
GB/T 18791-2002 Test methods for ceramic properties for electronic and electrical application

Ministry of Housing and Urban-Rural Development of the People's Replublic of China

GB/T 50081-2002 Standard for test method of mechanical properties on ordinary concrete
GB/T 50080-2002 Standard for test method of performance on ordinary fresh concrete
GB/T 50329-2002 Standard for Testing Methods of Timber Structures

Others: GB/T 6684-2002,gb/t 625,GB/t 12496.7,GB/t 18800,GB/T 26733,GB/T 12507.2,GB/T 31315,GB/T 11828.3,GB/T 11213.5,GB/t30357.2 GB/t,GB/t GB/t 27920.1-2011,GB/t GB/t+19598,GB/t+684 GB/t,gb/t gb/t19598,GB/t+3049+ GB/t,gb/t 6495.1gb/t 6495.1gb/t 6495.1gb/t 6495.1gb/t 6495.1gb/,GB/t21833 GB/t,GB/t GB/t 21448 2017,GB/T6684－2002