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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, Purchase services.
  •  China "YS" GB Standards List:
  • Standard  Code GB Standard Title Standard Class Order
    SJ/Z 9094.12-1987 Methods of measurement for equipmemt used in terrestrial radio-relay sYStems--Part 3: Simulated systems--Section 3: Measurements for monochrome and colour television transmission

    YS-China Electronics Standards

    SJ/Z 9025-1987 Identification cards--PhYSical characteristics

    YS-China Electronics Standards

    GB/T 223.54-1987 Methods for chemical analYSis of iron,steel and alloy--The flame atomic absorption spectrophotometric method for the determination of nickel content
    钢铁及合金化学分析方法 火焰原子吸收分光光度法测定镍量

    YS-China National GB Standards

    GB/T 223.53-1987 Methods for chemical analYSis of iron,steel and alloy--The flame atomic absorption spectrophotometric method for the determination of copper content
    钢铁及合金化学分析方法 火焰原子吸收分光光度法测定铜量

    YS-China National GB Standards

    GB/T 223.52-1987 Methods for chemical analYSis of iron,steel and alloy--The hydroxylamine hydrochloride-iodometric method for the determination of selenium content
    钢铁及合金化学分析方法 盐酸羟胺-碘量法测定硒量

    YS-China National GB Standards

    JJG 2007-1987 Verification SYStem of Time and Frequency Measuring Instruments

    YS-China Metrological Standards

    SJ 1542-1987 Method for chemical analYSis of Nickel and Nickel alloy for vacuum tubes

    YS-China Electronics Standards

    SJ 2741-1987 Capacity series and r. f. waveguide adaptations of digital microwave link communication sYStems

    YS-China Electronics Standards

    GB/T 223.57-1987 Methods for chemical analYSis of iron,steel and alloy--The extraction-absorption catalytic polarographic method for the determination of cadmium content
    钢铁及合金化学分析方法 萃取分离-吸附催化极谱法测定镉量

    YS-China National GB Standards

    GB/T 223.58-1987 Methods for chemical analYSis of iron,steel and alloy--The extraction-absorption catalytic polarographic method for the determination of manganese content
    钢铁及合金化学分析方法 亚砷酸钠-亚硝酸钠滴定法测定锰量

    YS-China National GB Standards

    SJ/Z 9073.4-1987 Electrical relaYS--Part 18: Dimensions for general purpose all-or-nothing relays

    YS-China Electronics Standards

    SJ/Z 9021.4-1987 Mechanical standardization of semiconductor devices. Part 4: Coding sYStem and classification into forms of package outlines for semiconductor devices

    YS-China Electronics Standards

    SJ/Z 9094.9-1987 Methods of measurement for equipment used in terrestrial radio-relay sYStems--Part 2: Measurements for sub-systems--Section 8: Radio receivers

    YS-China Electronics Standards

    SJ/Z 9027-1987 Identification cards--Numbering sYStem and registration procedure for issuer identifiers

    YS-China Electronics Standards

    SJ/Z 9029.1-1987 Disturbances in power supply sYStems caused by household appliances and similar electrical equipment Part 1: Definitions

    YS-China Electronics Standards

    SJ/Z 9029.2-1987 Disturbances in power supply sYStems caused by household appliances and similar electrical equipment Part 2: Harmonic waves

    YS-China Electronics Standards

    SJ/Z 9029.3-1987 Disturbances in power supply sYStems caused by household appliances and similar electrical equipment Part 3: Voltage fluctuation

    YS-China Electronics Standards

    SJ/Z 9058-1987 Office machines-keyboards-key numbering sYStem and layout charts

    YS-China Electronics Standards

    SJ/Z 9060-1987 Information processing - Guidelines for documentation of computer-based application sYStems

    YS-China Electronics Standards

    SJ/Z 9071-1987 Binary floating-point arithmetic for microprocessor sYStem

    YS-China Electronics Standards

    SJ/Z 9073.1-1987 All-or-nothing electrical relaYS

    YS-China Electronics Standards

    SJ 2779-1987 Precision shafts for tape transmission sYStems of cassette tape recorders

    YS-China Electronics Standards

    SJ/Z 9118.3-1987 Magnetic tape sound recording and reproducing sYStems--Part 3: Methods of measurement for characteristics of sound recording and reproducing equipment on magnetic tape

    YS-China Electronics Standards

    SJ 2845.4-1987 Electrical relaYS--Part 19: Blank detail specification: Electromechanical all-or-nothing relays of assessed quality--Test schedules 1, 2 and 3 (Applicable for certification)

    YS-China Electronics Standards

    SJ/Z 9098.3-1987 Methods of measurement for radio receivers of various classes of emissions Part 8: RF measurement on special receivers for FM telegraph sYStems

    YS-China Electronics Standards

    SJ/Z 9099-1987 Planning of (single-sideband) power line carrier sYStem

    YS-China Electronics Standards

    SJ/Z 9105-1987 Thermal evaluation and classification of electrical insulation (sYStems)

    YS-China Electronics Standards

    SJ/Z 9106-1987 Guide for preparation of test procedures for evaluating the thermal endurance of electrical insulation sYStems

    YS-China Electronics Standards

    SJ/Z 9108-1987 Ergonomic principles in the design of work sYStems

    YS-China Electronics Standards

    SJ/Z 9115-1987 Helical-scan video tape cassette recording sYStem with 12. 65mm magnetic tape in BETA format

    YS-China Electronics Standards

    JTJ 262-1987 (Lock design specification (Trial) The second water sYStem design)

    YS-China Highway & Transportation Standards

    SJ/Z 9118.2-1987 Magnetic tape recording and reproducing sYStems. Part 2: Calibration tapes

    YS-China Electronics Standards

    SJ 2845.3-1987 Electrical relaYS--Part 19: Sectional specification: Electromechanical all-or-nothing relays of assessed quality (Applicable for certification)

    YS-China Electronics Standards

    SJ/Z 9118.4-1987 Magnetic tape recording and reproducing sYStems. Part 4: Mechanical magnetic tape properties

    YS-China Electronics Standards

    SJ/Z 9118.5-1987 Magnetic tape recording and reproducing sYStems. Part 6: Reel-to-reel systems

    YS-China Electronics Standards

    SJ/Z 9118.6-1987 Magnetic tape sound recording and reproducing sYStems. Part 7: Cassette for commercial tape records and domestic use

    YS-China Electronics Standards

    SJ/Z 9119-1987 Prerecorded optical reflective videodisk sYStem - 60Hz/525-line (M/NTSC) laser television

    YS-China Electronics Standards

    SJ/Z 9141.3-1987 Audio, video, television equipment and sYStems--Part 4: Preferred matching values for the interconnection of equipment in a system

    YS-China Electronics Standards

    SJ/Z 9141.2-1987 Audio-visual, video and television equipment and sYStems. Part 3: Connectors for the interconnection of equipment in audio-visual systems

    YS-China Electronics Standards

    JT/T 4533-1987 (Marine engine room alarm sYStem technical requirements)

    YS-China Highway & Transportation Standards

    JTJ 253-1987 Code for design of dock gates and filling and emptying sYStems of dry docks

    YS-China Highway & Transportation Standards

    SJ/Z 9118.1-1987 Magnetic tape sound recording and reproducing sYStems--Part 1: General conditions and requirements

    YS-China Electronics Standards

    SJ/Z 9152.1-1987 Quartz crYStal elements for frequency control and selection Part 1: Standard values and test conditions

    YS-China Electronics Standards

    SJ/Z 9152.3-1987 Quartz CrYStal units for frequency control and selection. Part 3: Standard outlines and pin connections

    YS-China Electronics Standards

    SJ/Z 9152.2-1987 Quartz CrYStal units for frequency control and selection. Part 2: Guide to the use of quartz Crystal units for frequency control and selection

    YS-China Electronics Standards

    SJ 2816.1-1987 Detail specification for (soldered) crYStal holders (enclosures) for Type J1

    YS-China Electronics Standards

    SJ 2816.2-1987 Detail specification for (resistance-welded) crYStal holders (enclosures) for Type J1A

    YS-China Electronics Standards

    SJ 2816.3-1987 Detail specification for (soldered) crYStal holders (enclosures) for Type J3

    YS-China Electronics Standards

    SJ 2816.4-1987 Detail specification for (resistance-welded) crYStal holders (enclosures) for Type J3A

    YS-China Electronics Standards

    SJ 2816.5-1987 Detail specification for (cold-weld) crYStal holders (enclosures) for Type J3B

    YS-China Electronics Standards

    SJ/Z 2782-1987 Method of analYSis for overall activation process of non-evaporable getrters (catmasphere method)

    YS-China Electronics Standards

    GB 7795-1987 Diagnostic criteria and principles of management of occupational acute electric ophthalmia (Keratoconjunctivitis caused by ultraviolet raYS)
    职业性急性电光性眼炎(紫外线角膜结膜炎)诊断标准及处理原则

    YS-China National GB Standards

    SJ/Z 9141.5-1987 Audio, video, television equipment and sYStems--Part 5: Control, synchronization and address codes--Chapter 2: Operating practice of control system for still image two projector

    YS-China Electronics Standards

    SJ/Z 9008.5-1987 Measurement of electrical properties of microwave tubes--Part 6: High-power klYStrons

    YS-China Electronics Standards

    SJ/Z 9008.4-1987 Measurement of electrical properties of microwave tubes--Part 5: Low-power oscilator klYStrons

    YS-China Electronics Standards

    SJ/Z 9142.1-1987 high fidelity audio equipment and sYStems Minimum Performance requirements. Part 1: General

    YS-China Electronics Standards

    SJ/Z 9141.7-1987 Audio-visual, video and television equipment and sYStems. Part 15:Audio pages

    YS-China Electronics Standards

    SJ 2845.1-1987 Electrical relaYS--Part 7: Generic specification: Test and measurement procedures for electromechanical all-or-nothing relays (Applicable for certification)

    YS-China Electronics Standards

    SJ 2845.2-1987 Part 10: Generic specification: Supplement to SJ 2845. 1 (IEC 255-7)--Application of the IEC quality assessment sYStem for electronic components to all-or-nothing relays

    YS-China Electronics Standards

    SJ/Z 9141.6-1987 Audio-visual, video and television equipment and sYStems. Part 14:Audio striped card system

    YS-China Electronics Standards

    SJ/Z 9095.6-1987 Methods of measurement for radio equipment used in mobile services--Part 6: Selective calling equipment--Audio frequencies commonly used in tone-signalling sYStems

    YS-China Electronics Standards

    GB/T 6730.8-1986 Methods for chemical analYSis of iron ores--The potassium dichromate volumetric method for the determination of iron (Ⅱ)content
    铁矿石化学分析方法 重铬酸钾容量法测定亚铁量

    YS-China National Standards

    QB 973-1986 (Daily ceramic paste apparent porosity and bulk density analYSis)

    YS-China Light Industry Standards

    QB 972-1986 (Household ceramic mold with plaster phYSical performance test methods)

    YS-China Light Industry 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
    铁矿石化学分析方法 原子吸收分光光度法测定铜量

    YS-China National Standards

    GB/T 5839-1986 Rating sYStems for electronic tubes and semiconductor devices
    电子管和半导体器件额定值制

    YS-China National Standards

    GB/T 5881-1986 Sampling method of phYSical and chemical properties of ramie fiber
    苎麻理化性能试验取样方法

    YS-China National Standards

    GB/T 5889-1986 Method of quantitative analYSis of ramie chemical components
    苎麻化学成分定量分析方法

    YS-China National Standards

    GB/T 6429-1986 The rule of type designation for quartz crYStalunits
    石英谐振器型号命名方法

    YS-China National Standards

    GB/T 6430-1986 The rule of type designation for crYStal holders (enclosures)
    晶体盒型号命名方法

    YS-China National Standards

    GB/T 6598-1986 Determination of weight-average molecular weight of polYStyrene standards by low angle laser light scattering method
    小角激光光散射法测定聚苯乙烯标准样品的重均分子量

    YS-China National Standards

    GB/T 6627-1986 Designations for lumbered synthetic quartz crYStals
    人造石英晶体棒材型号命名方法

    YS-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
    地面无线电接力系统所用设备的测量方法 第一部分:分系统和仿真系统通用的测量 第三节:中频范围的测量

    YS-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
    地面无线电接力系统所用设备的测量方法 第二部分:分系统的测量 第二节 天线和无源转向器的测量

    YS-China National Standards

    GB/T 6730.1-1986 Methods for chemical analYSis of iron ores--Preparation of predried test samples for chemical analysis
    铁矿石化学分析方法 分析用预干燥试样的制备

    YS-China National Standards

    GB/T 6766-1986 Radiochemical analYSis of strontium-90 in water--Extraction chromatography by di-(2-ethylhexyl) phosphori acid
    水中锶-90 放射化学分析方法 二-(2-乙基己基) 磷酸萃取色层法

    YS-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
    铁矿石化学分析方法 重量法测定分析试样中吸湿水量

    YS-China National Standards

    GB/T 6974.15-1986 Lifting appliances--Vocabulary--Underslung monorail sYStems
    起重机械名词术语 悬挂单轨系统

    YS-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
    铁矿石化学分析方法 二硫代二安替吡啉甲烷光度法测定铋量

    YS-China National Standards

    GB/T 6730.49-1986 Methods for chemical analYSis of iron ores--The flame atomic absorption spectrophotometric method for the determination of sodium and potassium content
    铁矿石化学分析方法 原子吸收分光光度法测定钠和钾量

    YS-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
    铁矿石化学分析方法 气体容量法测定总碳量

    YS-China National Standards

    GB/T 6730.51-1986 Methods for chemical analYSis of iron ores--The caustic asbestos absorption gravimetric method for the determination of carbon content in carbonate
    铁矿石化学分析方法 烧碱石棉吸收重量法测定碳酸盐中碳量

    YS-China National Standards

    GB/T 6730.6-1986 Methods for chemical analYSis of iron ores--The ferric chloride-sodium acetate volumetric method for the determination of metallic iron content
    铁矿石化学分析方法 三氯化铁-乙酸钠容量法测定金属铁量

    YS-China National Standards

    GB/T 6730.7-1986 Methods for chemical analYSis of iron ores--The sulfosalicylic acid photometric method for the determination of metallic iron content
    铁矿石化学分析方法 磺基水杨酸光度法测定金属铁量

    YS-China National Standards

    GB/T 6764-1986 Radiochemical analYSis of strontium-90 in water--Precipitation by fuming nitric acid
    水中锶-90放射化学分析方法 发烟硝酸沉淀法

    YS-China National Standards

    GB/T 6767-1986 Radiochemical analYSis of cesium-137 in water
    水中铯-137放射化学分析方法

    YS-China National Standards

    GB/T 6768-1986 Methods of analYSing microquantity of uranium in water
    水中微量铀分析方法

    YS-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
    铝及铝合金阳极氧化着色阳极氧化膜耐晒度的人造光加速试验

    YS-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
    铁矿石化学分析方法 原子吸收分光光度法测定钙和镁量

    YS-China National Standards

    SJ 2708-1986 Cable distribution sYStem for sound and television signals--Graphical symbols

    YS-China Electronics Standards

    JJG 409-1986 Verification regulation of thermal voltage convertors in RF coaxial guide sYStems

    YS-China Metrological Standards

    SJ 2656-1986 Method for tugsten spectral analYSis

    YS-China Electronics Standards

    SJ 2657-1986 Method for molybdenum spectral analYSis

    YS-China Electronics Standards

    SJ 2684-1986 PhYSical Demensions For Light Emitting Device Of Semiconductor

    YS-China Electronics Standards

    JJG 89-1986 (Long flat crYStal verification procedures)

    YS-China Metrological Standards

    SJ 2738-1986 Basic parameters for gear speed reduction unit of electrical micro-machines for automatic control sYStems

    YS-China Electronics Standards

    SJ/Z 2740-1986 Guide to Quality assurance sYStem for electric industrial enterprises

    YS-China Electronics Standards

    SJ/Z 2655-1986 Collection of single crYStal Germaninm defects

    YS-China Electronics Standards

    SJ 2739-1986 Performance requirements for gear speed reduction unit of electrical micro-machines for automatic control sYStems

    YS-China Electronics Standards


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