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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 "YS" GB Standards List:
  • Standard  Code GB Standard Title Standard Class Order
  • GB/T 6627-1986
  • Designations for lumbered synthetic quartz crYStals China National Standards
  • GB/T 6730.3-1986
  • Methods for chemical analYSis of iron ores--The gravimetric method for the determination of hygroscopic moisture content in analytical samples China National Standards
  • GB/T 6730.48-1986
  • Methods for chemical analYSis of iron ores--The dithio diantipyryl methane photometric method for the determination of bismuth content China National Standards
  • GB/T 6730.50-1986
  • Methods for chemical analYSisof iron ores--The gas volumetric method for the determination of total carbon content China National Standards
  • GB/T 6974.15-1986
  • Lifting appliances--Vocabulary--Underslung monorail sYStems China National Standards
  • GB/T 5839-1986
  • Rating sYStems for electronic tubes and semiconductor devices China National Standards
  • GB/T 6667-1986
  • Methods of measurement for equipment used in terrestrial radio-relay sYStems--Part 2:Measurements for sub-systems--Section two:measurements in the antennas and passive repeaters China National Standards
  • GB/T 6730.14-1986
  • Methods for chemical analYSis of iron ores--The flame atomic absorption spectrophotometric method for the determination of calcium and magnesium content China National Standards
  • GB/T 6662-1986
  • Methods of measurement for equipment used in terrestrial radio-relay sYStems--Part 1:Measurements common to sub-systems and simulated systems--Section three--Measurements in the intermediate-frequency range China National Standards
  • GB/T 6766-1986
  • Radiochemical analYSis of strontium-90 in water--Extraction chromatography by di-(2-ethylhexyl) phosphori acid China National Standards
  • GB/T 6768-1986
  • Methods of analYSing microquantity of uranium in water China National Standards
  • GB/T 6808-1986
  • Anodizing of aluminium and its alloYS--Accelerated test of light fastness of coloured anodic oxide coatings using artificial light China National Standards
  • GB/T 6730.1-1986
  • Methods for chemical analYSis of iron ores--Preparation of predried test samples for chemical analysis China National Standards
  • GB/T 6730.36-1986
  • Methods for chemical analYSis of iron ores--The flame atomic absorption spectrophotometric method for the determination of copper content China National Standards
  • JJG 409-1986
  • Verification regulation of thermal voltage convertors in RF coaxial guide sYStems China Metrological Standards
  • QB 973-1986
  • (Daily ceramic paste apparent porosity and bulk density analYSis) China Light Industry Standards
  • QB 972-1986
  • (Household ceramic mold with plaster phYSical performance test methods) China Light Industry Standards
  • JJG 89-1986
  • (Long flat crYStal verification procedures) China Metrological Standards
  • GB/T 4702.9-1985
  • Methods for chemical analYSis of chromium metal--The crystal violet spectrophotometric method for the determination of antimony content China National Standards
  • SJ 2595-1985
  • Method for the analYSis of trace phosphorous in pure SiC14--Method spectrophotometry China Electronics Standards
  • SJ 2594-1985
  • Method for the analYSis of boron and metalic impurities in pure SiC14-Spectro-chemical method China Electronics Standards
  • GB/T 223.48-1985
  • Methods for chemical analYSis of iron,steel and alloy--The semixylenol orange photometric method for the determination of bismuth content China National GB Standards
  • SJ 2592-1985
  • Quartz crYStal monolithic filters for Type LSP10. 7MA (~E) China Electronics Standards
  • SJ 2572-1985
  • (MonocrYStalline silicon solar cells with bars, sheets) China Electronics Standards
  • GB/T 5124.3-1985
  • Methods for chemical analYSisof hardmetals--The potentiometric method for the determination of cobalt content China National Standards
  • GB/T 223.41-1985
  • Methods for chemical analYSis of iron,steel and alloy--The anion-exchange separation-pyrogallol photometric method for the determination of tantalum content China National GB Standards
  • GB/T 5442-1985
  • The test methods for the technical specifications of inband pulsing single frequency line signalling sYStem for automatic telephone switching network China National Standards
  • GB/T 223.42-1985
  • Methods for chemical analYSis of iron,steel and alloy--The anion-exchange separation-bromopyrogallol red photometric method for the determination of tantalumcontent China National GB Standards
  • GB/T 4958.1-1985
  • Methods of measurement for equipment used in terrestrial radio-relay sYStems--Part 1:Measurements common to subsystems and simulated systems--Section One--General China National Standards
  • GB/T 223.38-1985
  • Methods for chemical analYSis of iron,steel and alloy--The anion-exchange separation-gravimetric method for the determination of niobium content China National GB Standards
  • GB/T 5687.4-1985
  • Methods for chemical analYSis of ferrochromium--The neutralization titration method for the determination of nitrogen content China National Standards
  • GB/T 5124.4-1985
  • Methods for chemical analYSis of hardmetals--The photometric peroxide method for the determination of titanium content China National Standards
  • GB/T 4702.8-1985
  • Methods for chemical analYSis of chromium metal--The distillation-molybdenum blue spectrophotometricmethod for the determination of arsenic content China National Standards
  • GB/T 4702.11-1985
  • Methods for chemical analYSis of chromium metal--The alizarin violet spectrophotometric method for the determination of tin content China National Standards
  • GB/T 4702.10-1985
  • Methods for chemical analYSis of chromium metal--The cupral spectrophotometric method for the determination of copper content China National Standards
  • TB 1603-1985
  • (Locomotive boiler water stabilizer. Ethylenediamine tetramethylene alendronate analYSis) China Railway & Train Standards
  • JJG 372-1985
  • Verification regulation of metrological sYStem for tank liquid stock by weighing method China Metrological Standards
  • TB 1599-1985
  • (Locomotive boiler water stabilizer. Humic acid sodium analYSis) China Railway & Train Standards
  • TB/T 1611-1985
  • (Truck air brake pipe sYStem design parameters) China Railway & Train Standards
  • TB 1601-1985
  • (Locomotive boiler water stabilizer. HPMA analYSis) China Railway & Train Standards
  • GB/T 4872-1985
  • Office machines and data processing equipment--Principles governing the positioning of control keYS on key-boards China National Standards
  • SB 174.18-1985
  • (Tidal CrYStal Lao pie) China Commerce Standards
  • JC/T 793-1985
  • The methods for the calculation of the efficiency, unit heat consumption and unit coal consumption of tunnel dryer annular kiln sYStem China Building Materials Standards
  • GB/T 4197-1984
  • Method for measuring the average grain size of sintered bar and rod of tungsten molybdenum and alloYS China National Standards
  • SJ 2558-1984
  • Detail specification for semiconductor light emitting numeric displaYS, Type SM1~18 China Electronics Standards
  • SJ 151A-1984
  • Marking of part numbers of relaYS for use in electronic equipment China Electronics Standards
  • SJ 2456-1984
  • Generic specification for electronic time relaYS China Electronics Standards
  • GB/T 4333.1-1984
  • Methods for chemical analYSis of ferrosilicon--The perchloric acid dehydration-gravimetric method for the determination of silicon content China National Standards
  • YDJ 7-1984
  • Specification for installation design of crossbar sYStem urban local telephone exchange equipment China Telecommunication Standards
  • GB/T 4702.3-1984
  • Methods for chemical analYSis of chromium metal--The molybdenum blue photometric method for the determinationof phosphorus content China National Standards
  • TB 1549.3-1984
  • (Die care feeding raceway sYStem Tropsch material combinations raceway) China Railway & Train Standards
  • TB 1549.18-1984
  • (Die care feeding raceway sYStem. Unloading raceway shaft) China Railway & Train Standards
  • GB/T 4837-1984
  • Typewriters--Layout of printing and function keYS China National Standards
  • TB 1549.22-1984
  • (Die care feeding raceway sYStem. Lock plate) China Railway & Train Standards
  • TB/T 1555-1984
  • (Hump ??special pneumatic sYStem technical conditions) China Railway & Train Standards
  • GB/T 4333.7-1984
  • Methods for chemical analYSis of ferrosilicon--The chromatographic separation-barium sulfate gravimetric method for the determination of sulfur content China National Standards
  • TB 1549.1-1984
  • (Die care feeding raceway sYStem. Ball lifting material combinations care) China Railway & Train Standards
  • TB 1549.8-1984
  • (Die care feeding raceway sYStem Tropsch feed roller shaft) China Railway & Train Standards
  • TB 1549.4-1984
  • (Die care feeding raceway sYStem. Care feeding raceway seat) China Railway & Train Standards
  • TB 1549.21-1984
  • (Die care feeding raceway sYStem. Raceway body) China Railway & Train Standards
  • TB 1549.6-1984
  • (Die care feeding raceway sYStem. Wheel) China Railway & Train Standards
  • TB 1549.5-1984
  • (Die care feeding raceway sYStem. Roller cover) China Railway & Train Standards
  • TB 1549.20-1984
  • (Die care feeding raceway sYStem. Raceway fittings) China Railway & Train Standards
  • TB 1549.15-1984
  • (Die care feeding raceway sYStem. Raceway gland) China Railway & Train Standards
  • TB 1549.10-1984
  • (Die care feeding raceway means elevating shaft racewaYS) China Railway & Train Standards
  • TB 1549.17-1984
  • (Die care feeding raceway sYStem. Unloading raceway combination) China Railway & Train Standards
  • JT/T 2008-1984
  • (Oil content in water analYSis) China Highway & Transportation Standards
  • TB 1549.19-1984
  • (Die care feeding raceway sYStem. Gland) China Railway & Train Standards
  • TB 1549.2-1984
  • (Die care feeding raceway sYStem. Ball Bracket) China Railway & Train Standards
  • GB/T 4298-1984
  • The activation analYSis method for the determination of elemental impurities in semiconductor silicon materials China National Standards
  • QB 947-1984
  • (CrYStal Rose) China Light Industry Standards
  • JTJ 056-1984
  • Operating rules for water-quality analYSis of highway engineering China Highway & Transportation Standards
  • SJ 2387-1983
  • Preferred series of dry reed relaYS China Electronics Standards
  • SJ 2268-1983
  • Series of gyromagnetic multi-crYStal materials made of magnetic oxides China Electronics Standards
  • SJ/T 2429-1983
  • Test method for electrical characteristics of astronautic monocrYStal silicon solar cells China Electronics Standards
  • SJ/T 2428-1983
  • Clibration for astronautic standard monocrYStal silicon solar cells China Electronics Standards
  • SJ 2386-1983
  • Generic specification for dry reed relaYS China Electronics Standards
  • GB 146.2-1983
  • Structure gauge for standard gauge railwaYS China National GB Standards
  • SJ 2406-1983
  • Type designation sYStem for microwave circuits China Electronics Standards
  • GB/T 3654.10-1983
  • Methods for chemical analYSis of ferroniobium--The EDTA volumetric method for the determination of aluminium content China National Standards
  • GB/T 3654.5-1983
  • Methods for chemical analYSis of ferroniobium--The molybdenum blue photometric method for the determination of the phosphorus content China National Standards
  • GB/T 3653.5-1983
  • Methods for chemical analYSis of ferroboron--The chromatographic separation-barium sulfate gravimetric method for the determination of sulfur content China National Standards
  • GB/T 3771-1983
  • Conversion of hardness and strength for copper alloYS China National Standards
  • GB/T 3974-1983
  • Telephone transmission interference allowances for long-distance high-capacity analogue microwave communication sYStems China National Standards
  • GB 3971.2-1983
  • Interoffice junction digital line signalling sYStem for telephone automatic switching network China National GB Standards
  • GB/T 3653.2-1983
  • Methods for chemical analYSis of ferroboron--The gasometric method for the determination of carbon content China National Standards
  • GB 146.1-1983
  • Rolling stock gauge for standard gauge railwaYS China National GB Standards
  • YD 300-1983
  • (Precision polYStyrene and mica capacitors nonlinear index and test methods) China Telecommunication Standards
  • GB/T 3654.3-1983
  • Methods for chemical analYSis of ferroniobium--The gravimetric method for the determination of silicon content China National Standards
  • GB/T 3654.1-1983
  • Methods for chemical analYSis of ferroniobium--The paper chromatograph-gravimetric method for the determination of niobium and tantalum content China National Standards
  • GB/T 3654.4-1983
  • Methods for chemical analYSis of ferroniobium--The combustion gravimetric method for the determination of carbon content China National Standards
  • GB/T 4110-1983
  • Pulse code modulation communication sYStem hierarchy China National Standards
  • GB/T 4072-1983
  • Measuring method of the phosphor excited by cathod raYS China National Standards
  • GB/T 3654.9-1983
  • Methods for chemical analYSisof ferroniobium--The thiocyanate photometric method for the determination of tungsten content China National Standards
  • TB/T 1139-1983
  • (Locomotive analYSis method using natural water) China Railway & Train Standards
  • SJ 207.4-1982
  • (The method of preparation of design documents management sYStem design document text and tables of contents) China Electronics Standards
  • SJ 2206-1982
  • Reflex klYStrons, Type K-21 China Electronics Standards
  • SJ 207.1-1982
  • (Classification and composition of design documents management sYStem design documents) China Electronics Standards
  • SJ 2053-1982
  • Method for the measurement of unwanted response of quartz crYStal resonators China Electronics Standards
  • GB 3377-1982
  • Multifrequency register signalling sYStem for telephone automatic switching network China National GB Standards

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